[BUG]ByteSymbol(Object)>>error:

I also opened an issue http://code.google.com/p/pharo/issues/detail?id=1638 where the stack and a screenshot can be seen.

In a nutshell, when you use Method Finder and from there start a Browser, you get an MNU ByteSymbol>>hasWideCharacterFrom:to:.

Steps to reproduce:
1. Start the Method Finder
2. in the search pane write 'max:' and accept it
3. click in (first in my image) method 'detectMax:'
4. on the right upper pane click in "Collection detectMax:"

More details:

As can be seen in the screenshoot in the issue tracker, the method source *is
shown* but the Browser fails to render the method name's list and instead a
red with a yellow crossings appears instead.

If "venturously" another protocol is selected, the same red with yellow
crossing is shown and no more navigation to the method sources is possible.


19 December 2009 11:25 pm

VM: Win32 - IX86 - NT - Squeak3.10.2 of '5 June 2008' [latest update: #7179]
Image: PharoCore1.0rc1 [Latest update: #10502]

SecurityManager state:
Restricted: false
FileAccess: true
SocketAccess: true
Working Dir E:\Pharo
Trusted Dir E:\Pharo\Cesar S. Rabak
Untrusted Dir C:\Documents and Settings\Cesar S. Rabak\Meus documentos\My Squeak

ByteSymbol(Object)>>error:
        Receiver: #do:
        Arguments and temporary variables:
                aString: 'MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:'
        Receiver's instance variables:
#do:

[] in WorldState>>displayWorldSafely:
        Receiver: a WorldState
        Arguments and temporary variables:
                err: 'MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:'
                rcvr: #do:
                errCtx: O2LazyListMorph>>display:atRow:on:
                errMorph: an O2LazyListMorph(3958)
        Receiver's instance variables:
                hands: an Array(a HandMorph(3216))
                viewBox: 0@0 corner: 976@720
                canvas: a FormCanvas on: DisplayScreen(976x720x32)
                damageRecorder: a DamageRecorder
                stepList: a Heap(StepMessage(#stepAt: -> a SystemWindow(1419))(a SystemWindow(1...etc...
                lastStepTime: 22201329
                lastStepMessage: nil
                lastCycleTime: 22201348
                commandHistory: a CommandHistory
                alarms: a Heap()
                lastAlarmTime: 22201329

BlockClosure>>valueWithPossibleArgs:
        Receiver: [closure] in WorldState>>displayWorldSafely:
        Arguments and temporary variables:
                anArray: #('MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:' #do:)
        Receiver's instance variables:
                outerContext: WorldState>>displayWorldSafely:
                startpc: 73
                numArgs: 2

[] in BlockClosure>>ifError:
        Receiver: [closure] in WorldState>>displayWorldSafely:
        Arguments and temporary variables:
                errorHandlerBlock: MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:
                ex: [closure] in WorldState>>displayWorldSafely:
        Receiver's instance variables:
                outerContext: WorldState>>displayWorldSafely:
                startpc: 66
                numArgs: 0

BlockClosure>>valueWithPossibleArgs:
        Receiver: [closure] in BlockClosure>>ifError:
        Arguments and temporary variables:
                anArray: an Array(MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:)
        Receiver's instance variables:
                outerContext: BlockClosure>>ifError:
                startpc: 40
                numArgs: 1

[] in MethodContext(ContextPart)>>handleSignal:
        Receiver: BlockClosure>>on:do:
        Arguments and temporary variables:
                exception: MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:
        Receiver's instance variables:
                sender: BlockClosure>>ifError:
                pc: 17
                stackp: 3
                method: a CompiledMethod(3772: BlockClosure>>on:do:)
                closureOrNil: nil
                receiver: [closure] in WorldState>>displayWorldSafely:

BlockClosure>>ensure:
        Receiver: [closure] in MethodContext(ContextPart)>>handleSignal:
        Arguments and temporary variables:
                aBlock: [closure] in MethodContext(ContextPart)>>handleSignal:
                returnValue: nil
                b: nil
        Receiver's instance variables:
                outerContext: MethodContext(ContextPart)>>handleSignal:
                startpc: 90
                numArgs: 0

MethodContext(ContextPart)>>handleSignal:
        Receiver: BlockClosure>>on:do:
        Arguments and temporary variables:
                exception: MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:
                val: nil
        Receiver's instance variables:
                sender: BlockClosure>>ifError:
                pc: 17
                stackp: 3
                method: a CompiledMethod(3772: BlockClosure>>on:do:)
                closureOrNil: nil
                receiver: [closure] in WorldState>>displayWorldSafely:

MessageNotUnderstood(Exception)>>signal
        Receiver: MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:
        Arguments and temporary variables:

        Receiver's instance variables:
                messageText: nil
                tag: nil
                signalContext: MessageNotUnderstood(Exception)>>signal
                handlerContext: BlockClosure>>on:do:
                outerContext: nil
                message: hasWideCharacterFrom: 1 to: 3
                receiver: #do:
                reachedDefaultHandler: false

ByteSymbol(Object)>>doesNotUnderstand: #hasWideCharacterFrom:to:
        Receiver: #do:
        Arguments and temporary variables:
                aMessage: hasWideCharacterFrom: 1 to: 3
                exception: MessageNotUnderstood: ByteSymbol>>hasWideCharacterFrom:to:
                resumeValue: nil
        Receiver's instance variables:
#do:

StrikeFont>>displayString:on:from:to:at:kern:
        Receiver: a StrikeFont(Bitmap DejaVu Sans 9 14)
        Arguments and temporary variables:
                aString: #do:
                aBitBlt: a GrafPort
                startIndex: 1
                stopIndex: 3
                aPoint: 768@130
                kernDelta: 0
        Receiver's instance variables:
                characterToGlyphMap: #(0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ...etc...
                xTable: #(0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 7...etc...
                glyphs: Form(1646x14x16)
                name: 'Bitmap DejaVu Sans 9'
                type: 0
                minAscii: 32
                maxAscii: 255
                maxWidth: 0
                strikeLength: nil
                ascent: 11
                descent: 3
                xOffset: nil
                raster: nil
                subscript: -3
                superscript: 2
                emphasis: 0
                derivativeFonts: an Array(a StrikeFont(Bitmap DejaVu Sans 9B 14) a StrikeFont(B...etc...
                pointSize: 9
                fallbackFont: a FixedFaceFont
                charIndex: nil

FormCanvas>>drawString:from:to:in:font:color:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aString: a Text for #do:
                firstIndex: 1
                lastIndex: 3
                bounds: 12@195 corner: 233@210
                fontOrNil: a StrikeFont(Bitmap DejaVu Sans 9 14)
                c: Color blue
                font: a StrikeFont(Bitmap DejaVu Sans 9 14)
                portRect: 753@61 corner: 935@222
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

FormCanvas(Canvas)>>drawString:in:font:color:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                s: a Text for #do:
                boundsRect: 12@195 corner: 233@210
                fontOrNil: a StrikeFont(Bitmap DejaVu Sans 9 14)
                c: Color blue
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

O2LazyListMorph>>display:atRow:on:
        Receiver: an O2LazyListMorph(3958)
        Arguments and temporary variables:
<<error during printing>
        Receiver's instance variables:
                bounds: 0@0 corner: 233@435
                owner: a TransformMorph(2393)
                submorphs: #()
                fullBounds: 0@0 corner: 233@435
                color: Color black
                extension: a MorphExtension (2535) [other:  (errorOnDraw -> true)]
                listItems: #(nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil ni...etc...
                font: a StrikeFont(Bitmap DejaVu Sans 9 14)
                selectedRow: 10
                selectedRows: a PluggableSet()
                listSource: an O2PluggableListMorph(3401)
                maxWidth: 213
                handPoint: nil
                balloonShown: nil

O2LazyListMorph(LazyListMorph)>>drawOn:
        Receiver: an O2LazyListMorph(3958)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
                row: 14
                rowLimiT: 20
        Receiver's instance variables:
                bounds: 0@0 corner: 233@435
                owner: a TransformMorph(2393)
                submorphs: #()
                fullBounds: 0@0 corner: 233@435
                color: Color black
                extension: a MorphExtension (2535) [other:  (errorOnDraw -> true)]
                listItems: #(nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil ni...etc...
                font: a StrikeFont(Bitmap DejaVu Sans 9 14)
                selectedRow: 10
                selectedRows: a PluggableSet()
                listSource: an O2PluggableListMorph(3401)
                maxWidth: 213
                handPoint: nil
                balloonShown: nil

FormCanvas(Canvas)>>draw:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                anObject: an O2LazyListMorph(3958)
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

FormCanvas(Canvas)>>drawMorph:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aMorph: an O2LazyListMorph(3958)
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

[] in O2LazyListMorph(Morph)>>fullDrawOn:
        Receiver: an O2LazyListMorph(3958)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 0@0 corner: 233@435
                owner: a TransformMorph(2393)
                submorphs: #()
                fullBounds: 0@0 corner: 233@435
                color: Color black
                extension: a MorphExtension (2535) [other:  (errorOnDraw -> true)]
                listItems: #(nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil ni...etc...
                font: a StrikeFont(Bitmap DejaVu Sans 9 14)
                selectedRow: 10
                selectedRows: a PluggableSet()
                listSource: an O2PluggableListMorph(3401)
                maxWidth: 213
                handPoint: nil
                balloonShown: nil

FormCanvas>>roundCornersOf:in:during:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aMorph: an O2LazyListMorph(3958)
                bounds: 0@0 corner: 233@435
                aBlock: [closure] in O2LazyListMorph(Morph)>>fullDrawOn:
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

FormCanvas(Canvas)>>roundCornersOf:during:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aMorph: an O2LazyListMorph(3958)
                aBlock: [closure] in O2LazyListMorph(Morph)>>fullDrawOn:
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

O2LazyListMorph(Morph)>>fullDrawOn:
        Receiver: an O2LazyListMorph(3958)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 0@0 corner: 233@435
                owner: a TransformMorph(2393)
                submorphs: #()
                fullBounds: 0@0 corner: 233@435
                color: Color black
                extension: a MorphExtension (2535) [other:  (errorOnDraw -> true)]
                listItems: #(nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil ni...etc...
                font: a StrikeFont(Bitmap DejaVu Sans 9 14)
                selectedRow: 10
                selectedRows: a PluggableSet()
                listSource: an O2PluggableListMorph(3401)
                maxWidth: 213
                handPoint: nil
                balloonShown: nil

FormCanvas(Canvas)>>fullDraw:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                anObject: an O2LazyListMorph(3958)
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

FormCanvas(Canvas)>>fullDrawMorph:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aMorph: an O2LazyListMorph(3958)
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 756@-65
                clipRect: 753@61 corner: 935@222
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

[] in [] in TransformMorph>>drawSubmorphsOn:
        Receiver: a TransformMorph(2393)
        Arguments and temporary variables:
                myCanvas: an O2LazyListMorph(3958)
                m: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 777@161
                owner: an O2PluggableListMorph(3401)
                submorphs: an Array(an O2LazyListMorph(3958))
                fullBounds: 595@0 corner: 777@161
                color: Color transparent
                extension: nil
                transform: a MorphicTransform(angle = 0.0; scale = 1.0; offset = -598@0)
                smoothing: 1
                localBounds: nil

Array(SequenceableCollection)>>reverseDo:
        Receiver: an Array(an O2LazyListMorph(3958))
        Arguments and temporary variables:
                aBlock: [closure] in [] in TransformMorph>>drawSubmorphsOn:
                index: 1
        Receiver's instance variables:
an Array(an O2LazyListMorph(3958))

[] in TransformMorph>>drawSubmorphsOn:
        Receiver: a TransformMorph(2393)
        Arguments and temporary variables:
                myCanvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 777@161
                owner: an O2PluggableListMorph(3401)
                submorphs: an Array(an O2LazyListMorph(3958))
                fullBounds: 595@0 corner: 777@161
                color: Color transparent
                extension: nil
                transform: a MorphicTransform(angle = 0.0; scale = 1.0; offset = -598@0)
                smoothing: 1
                localBounds: nil

FormCanvas>>transformBy:clippingTo:during:smoothing:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aDisplayTransform: a MorphicTransform(angle = 0.0; scale = 1.0; offset = -598@1...etc...
                aClipRect: 595@0 corner: 777@161
                aBlock: [closure] in TransformMorph>>drawSubmorphsOn:
                cellSize: 1
                innerRect: nil
                patchRect: nil
                sourceQuad: nil
                warp: nil
                start: nil
                subCanvas: nil
                i: nil
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 158@61
                clipRect: 753@61 corner: 948@235
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

TransformMorph>>drawSubmorphsOn:
        Receiver: a TransformMorph(2393)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 777@161
                owner: an O2PluggableListMorph(3401)
                submorphs: an Array(an O2LazyListMorph(3958))
                fullBounds: 595@0 corner: 777@161
                color: Color transparent
                extension: nil
                transform: a MorphicTransform(angle = 0.0; scale = 1.0; offset = -598@0)
                smoothing: 1
                localBounds: nil

[] in TransformMorph(Morph)>>fullDrawOn:
        Receiver: a TransformMorph(2393)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 777@161
                owner: an O2PluggableListMorph(3401)
                submorphs: an Array(an O2LazyListMorph(3958))
                fullBounds: 595@0 corner: 777@161
                color: Color transparent
                extension: nil
                transform: a MorphicTransform(angle = 0.0; scale = 1.0; offset = -598@0)
                smoothing: 1
                localBounds: nil

FormCanvas>>roundCornersOf:in:during:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aMorph: a TransformMorph(2393)
                bounds: 595@0 corner: 777@161
                aBlock: [closure] in TransformMorph(Morph)>>fullDrawOn:
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 158@61
                clipRect: 753@61 corner: 948@235
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

FormCanvas(Canvas)>>roundCornersOf:during:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aMorph: a TransformMorph(2393)
                aBlock: [closure] in TransformMorph(Morph)>>fullDrawOn:
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 158@61
                clipRect: 753@61 corner: 948@235
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

TransformMorph(Morph)>>fullDrawOn:
        Receiver: a TransformMorph(2393)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 777@161
                owner: an O2PluggableListMorph(3401)
                submorphs: an Array(an O2LazyListMorph(3958))
                fullBounds: 595@0 corner: 777@161
                color: Color transparent
                extension: nil
                transform: a MorphicTransform(angle = 0.0; scale = 1.0; offset = -598@0)
                smoothing: 1
                localBounds: nil

FormCanvas(Canvas)>>fullDraw:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                anObject: a TransformMorph(2393)
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 158@61
                clipRect: 753@61 corner: 948@235
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

FormCanvas(Canvas)>>fullDrawMorph:
        Receiver: a FormCanvas on: DisplayScreen(976x720x32)
        Arguments and temporary variables:
                aMorph: a TransformMorph(2393)
        Receiver's instance variables:
                target: nil
                filterSelector: nil
                origin: 158@61
                clipRect: 753@61 corner: 948@235
                form: DisplayScreen(976x720x32)
                port: a GrafPort
                shadowColor: nil

[] in [] in O2PluggableListMorph(Morph)>>drawSubmorphsOn:
        Receiver: an O2PluggableListMorph(3401)
        Arguments and temporary variables:
                canvas: a TransformMorph(2393)
                m: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 790@174
                owner: an O2Pane(2662)
                submorphs: an Array(a ScrollBar(2523) a ScrollBar(800) a TransformMorph(2393))
                fullBounds: 595@0 corner: 790@174
                color: Color white
                extension: a MorphExtension (2227) [other:  (dragEnabled -> true) (dropEnabled ...etc...
                borderWidth: 0
                borderColor: Color black
                model: an O2EnhancementColumn(detectMax:)
                slotName: nil
                open: false
                scrollBar: a ScrollBar(800)
                scroller: a TransformMorph(2393)
                retractableScrollBar: false
                scrollBarOnLeft: false
                getMenuSelector: #menu:
                getMenuTitleSelector: nil
                hasFocus: false
                hScrollBar: a ScrollBar(2523)
                list: nil
                getListSelector: #list
                getListSizeSelector: #listSize
                getListElementSelector: #listAt:
                getIndexSelector: #selection
                setIndexSelector: #selection:
                keystrokeActionSelector: #keystroke:from:
                autoDeselect: false
                lastKeystrokeTime: 0
                lastKeystrokes: ''
                doubleClickSelector: nil
                handlesBasicKeys: nil
                potentialDropRow: nil
                listMorph: an O2LazyListMorph(3958)
                hScrollRangeCache: nil

Array(SequenceableCollection)>>reverseDo:
        Receiver: an Array(a ScrollBar(2523) a ScrollBar(800) a TransformMorph(2393))
        Arguments and temporary variables:
                aBlock: [closure] in [] in O2PluggableListMorph(Morph)>>drawSubmorphsOn:
                index: 3
        Receiver's instance variables:
an Array(a ScrollBar(2523) a ScrollBar(800) a TransformMorph(2393))

[] in O2PluggableListMorph(Morph)>>drawSubmorphsOn:
        Receiver: an O2PluggableListMorph(3401)
        Arguments and temporary variables:
                canvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 790@174
                owner: an O2Pane(2662)
                submorphs: an Array(a ScrollBar(2523) a ScrollBar(800) a TransformMorph(2393))
                fullBounds: 595@0 corner: 790@174
                color: Color white
                extension: a MorphExtension (2227) [other:  (dragEnabled -> true) (dropEnabled ...etc...
                borderWidth: 0
                borderColor: Color black
                model: an O2EnhancementColumn(detectMax:)
                slotName: nil
                open: false
                scrollBar: a ScrollBar(800)
                scroller: a TransformMorph(2393)
                retractableScrollBar: false
                scrollBarOnLeft: false
                getMenuSelector: #menu:
                getMenuTitleSelector: nil
                hasFocus: false
                hScrollBar: a ScrollBar(2523)
                list: nil
                getListSelector: #list
                getListSizeSelector: #listSize
                getListElementSelector: #listAt:
                getIndexSelector: #selection
                setIndexSelector: #selection:
                keystrokeActionSelector: #keystroke:from:
                autoDeselect: false
                lastKeystrokeTime: 0
                lastKeystrokes: ''
                doubleClickSelector: nil
                handlesBasicKeys: nil
                potentialDropRow: nil
                listMorph: an O2LazyListMorph(3958)
                hScrollRangeCache: nil

O2PluggableListMorph(Morph)>>drawSubmorphsOn:
        Receiver: an O2PluggableListMorph(3401)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
                drawBlock: [closure] in O2PluggableListMorph(Morph)>>drawSubmorphsOn:
        Receiver's instance variables:
                bounds: 595@0 corner: 790@174
                owner: an O2Pane(2662)
                submorphs: an Array(a ScrollBar(2523) a ScrollBar(800) a TransformMorph(2393))
                fullBounds: 595@0 corner: 790@174
                color: Color white
                extension: a MorphExtension (2227) [other:  (dragEnabled -> true) (dropEnabled ...etc...
                borderWidth: 0
                borderColor: Color black
                model: an O2EnhancementColumn(detectMax:)
                slotName: nil
                open: false
                scrollBar: a ScrollBar(800)
                scroller: a TransformMorph(2393)
                retractableScrollBar: false
                scrollBarOnLeft: false
                getMenuSelector: #menu:
                getMenuTitleSelector: nil
                hasFocus: false
                hScrollBar: a ScrollBar(2523)
                list: nil
                getListSelector: #list
                getListSizeSelector: #listSize
                getListElementSelector: #listAt:
                getIndexSelector: #selection
                setIndexSelector: #selection:
                keystrokeActionSelector: #keystroke:from:
                autoDeselect: false
                lastKeystrokeTime: 0
                lastKeystrokes: ''
                doubleClickSelector: nil
                handlesBasicKeys: nil
                potentialDropRow: nil
                listMorph: an O2LazyListMorph(3958)
                hScrollRangeCache: nil

O2PluggableListMorph(PluggableListMorph)>>drawSubmorphsOn:
        Receiver: an O2PluggableListMorph(3401)
        Arguments and temporary variables:
                aCanvas: a FormCanvas on: DisplayScreen(976x720x32)
        Receiver's instance variables:
                bounds: 595@0 corner: 790@174
                owner: an O2Pane(2662)
                submorphs: an Array(a ScrollBar(2523) a ScrollBar(800) a TransformMorph(2393))
                fullBounds: 595@0 corner: 790@174
                color: Color white
                extension: a MorphExtension (2227) [other:  (dragEnabled -> true) (dropEnabled ...etc...
                borderWidth: 0
                borderColor: Color black
                model: an O2EnhancementColumn(detectMax:)
                slotName: nil
                open: false
                scrollBar: a ScrollBar(800)
                scroller: a TransformMorph(2393)
                retractableScrollBar: false
                scrollBarOnLeft: false
                getMenuSelector: #menu:
                getMenuTitleSelector: nil
                hasFocus: false
                hScrollBar: a ScrollBar(2523)
                list: nil
                getListSelector: #list
                getListSizeSelector: #listSize
                getListElementSelector: #listAt:
                getIndexSelector: #selection
                setIndexSelector: #selection:
                keystrokeActionSelector: #keystroke:from:
                autoDeselect: false
                lastKeystrokeTime: 0
                lastKeystrokes: ''
                doubleClickSelector: nil
                handlesBasicKeys: nil
                potentialDropRow: nil
                listMorph: an O2LazyListMorph(3958)
                hScrollRangeCache: nil


--- The full stack ---
ByteSymbol(Object)>>error:
[] in WorldState>>displayWorldSafely:
BlockClosure>>valueWithPossibleArgs:
[] in BlockClosure>>ifError:
BlockClosure>>valueWithPossibleArgs:
[] in MethodContext(ContextPart)>>handleSignal:
BlockClosure>>ensure:
MethodContext(ContextPart)>>handleSignal:
MessageNotUnderstood(Exception)>>signal
ByteSymbol(Object)>>doesNotUnderstand: #hasWideCharacterFrom:to:
StrikeFont>>displayString:on:from:to:at:kern:
FormCanvas>>drawString:from:to:in:font:color:
FormCanvas(Canvas)>>drawString:in:font:color:
O2LazyListMorph>>display:atRow:on:
O2LazyListMorph(LazyListMorph)>>drawOn:
FormCanvas(Canvas)>>draw:
FormCanvas(Canvas)>>drawMorph:
[] in O2LazyListMorph(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
O2LazyListMorph(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in TransformMorph>>drawSubmorphsOn:
Array(SequenceableCollection)>>reverseDo:
[] in TransformMorph>>drawSubmorphsOn:
FormCanvas>>transformBy:clippingTo:during:smoothing:
TransformMorph>>drawSubmorphsOn:
[] in TransformMorph(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
TransformMorph(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in O2PluggableListMorph(Morph)>>drawSubmorphsOn:
Array(SequenceableCollection)>>reverseDo:
[] in O2PluggableListMorph(Morph)>>drawSubmorphsOn:
O2PluggableListMorph(Morph)>>drawSubmorphsOn:
O2PluggableListMorph(PluggableListMorph)>>drawSubmorphsOn:
 - - - - - - - - - - - - - - -  
                        - - - - - - - - - - - - - - - - - -
[] in O2PluggableListMorph(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
O2PluggableListMorph(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in O2Pane(Morph)>>drawSubmorphsOn:
Array(SequenceableCollection)>>reverseDo:
[] in O2Pane(Morph)>>drawSubmorphsOn:
FormCanvas>>clipBy:during:
O2Pane(Morph)>>drawSubmorphsOn:
[] in O2Pane(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
O2Pane(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in TransformMorph>>drawSubmorphsOn:
Array(SequenceableCollection)>>reverseDo:
[] in TransformMorph>>drawSubmorphsOn:
FormCanvas>>transformBy:clippingTo:during:smoothing:
TransformMorph>>drawSubmorphsOn:
[] in TransformMorph(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
TransformMorph(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in O2PaneScroller(Morph)>>drawSubmorphsOn:
Array(SequenceableCollection)>>reverseDo:
[] in O2PaneScroller(Morph)>>drawSubmorphsOn:
O2PaneScroller(Morph)>>drawSubmorphsOn:
[] in O2PaneScroller(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
O2PaneScroller(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in O2GroupingMorph(Morph)>>drawSubmorphsOn:
Array(SequenceableCollection)>>reverseDo:
[] in O2GroupingMorph(Morph)>>drawSubmorphsOn:
O2GroupingMorph(Morph)>>drawSubmorphsOn:
[] in O2GroupingMorph(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
O2GroupingMorph(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in SystemWindow(Morph)>>drawSubmorphsOn:
Array(SequenceableCollection)>>reverseDo:
[] in SystemWindow(Morph)>>drawSubmorphsOn:
FormCanvas>>clipBy:during:
SystemWindow(Morph)>>drawSubmorphsOn:
[] in SystemWindow(Morph)>>fullDrawOn:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
SystemWindow(Morph)>>fullDrawOn:
FormCanvas(Canvas)>>fullDraw:
FormCanvas(Canvas)>>fullDrawMorph:
[] in [] in WorldState>>drawWorld:submorphs:invalidAreasOn:
Rectangle>>allAreasOutsideList:startingAt:do:
Rectangle>>allAreasOutsideList:do:
[] in WorldState>>drawWorld:submorphs:invalidAreasOn:
Array(SequenceableCollection)>>do:
WorldState>>drawWorld:submorphs:invalidAreasOn:
[] in WorldState>>displayWorld:submorphs:
FormCanvas>>roundCornersOf:in:during:
FormCanvas(Canvas)>>roundCornersOf:during:
WorldState>>displayWorld:submorphs:
PasteUpMorph>>privateOuterDisplayWorld
PasteUpMorph>>displayWorld
[] in WorldState>>displayWorldSafely:
BlockClosure>>on:do:
BlockClosure>>ifError:
WorldState>>displayWorldSafely:
WorldState>>doOneCycleNowFor:
WorldState>>doOneCycleFor:
PasteUpMorph>>doOneCycle
[] in Project class>>spawnNewProcess
[] in BlockClosure>>newProcess

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