Chronology-Core-pre.9 snapshot missing and thus preventing MC 'check all packages for changes' from working

Subject pretty much says it all. Stack here -

Error: Missing snapshot: Chronology-Core-pre.9
7 March 2018 11:28:02.37292 am

VM: unix - Smalltalk
Image: Squeak6.0alpha [latest update: #17785]

SecurityManager state:
Restricted: false
FileAccess: true
SocketAccess: true
Working Dir /home/pi/Squeak
Trusted Dir /home/pi/Squeak/secure
Untrusted Dir /home/pi/Squeak/My Squeak

MCDiffyVersion>>baseSnapshot
        Receiver: a MCDiffyVersion(Chronology-Core-mt.11)
        Arguments and temporary variables:
                baseVersion: nil
        Receiver's instance variables:
                package: a MCPackage(Chronology-Core)
                info: a MCVersionInfo(Chronology-Core-mt.11)
                snapshot: nil
                dependencies: #()
                base: a MCVersionInfo(Chronology-Core-pre.9)
                patch: a MCPatch

MCDiffyVersion>>snapshot
        Receiver: a MCDiffyVersion(Chronology-Core-mt.11)
        Arguments and temporary variables:

        Receiver's instance variables:
                package: a MCPackage(Chronology-Core)
                info: a MCVersionInfo(Chronology-Core-mt.11)
                snapshot: nil
                dependencies: #()
                base: a MCVersionInfo(Chronology-Core-pre.9)
                patch: a MCPatch

MCWorkingCopy>>findSnapshotWithVersionInfo:
        Receiver: a MCWorkingCopy(Chronology-Core)
        Arguments and temporary variables:
                aVersionInfo: a MCVersionInfo(Chronology-Core-mt.11)
                aVersion: a MCDiffyVersion(Chronology-Core-mt.11)
        Receiver's instance variables:
                package: a MCPackage(Chronology-Core)
                modified: false
                versionInfo: nil
                ancestry: a MCWorkingAncestry
                counter: nil
                repositoryGroup: a MCRepositoryGroup
                requiredPackages: an OrderedCollection()
                environment: nil

MCWorkingCopy>>checkModified
        Receiver: a MCWorkingCopy(Chronology-Core)
        Arguments and temporary variables:
                cleanSnapshot: nil
                currentSnapshot: nil
                modification: nil
        Receiver's instance variables:
                package: a MCPackage(Chronology-Core)
                modified: false
                versionInfo: nil
                ancestry: a MCWorkingAncestry
                counter: nil
                repositoryGroup: a MCRepositoryGroup
                requiredPackages: an OrderedCollection()
                environment: nil

[] in MCWorkingCopy class>>checkModified:
        Receiver: MCWorkingCopy
        Arguments and temporary variables:
<<error during printing>
        Receiver's instance variables:
                superclass: MCPackageManager
                methodDict: a MethodDictionary(#adopt:->(MCWorkingCopy>>#adopt: "a CompiledMethod...etc...
                format: 65544
                instanceVariables: #('versionInfo' 'ancestry' 'counter' 'repositoryGroup' 'requ...etc...
                organization: ('accessing' ancestors ancestry clearRequiredPackages currentVersionInfo...etc...
                subclasses: nil
                name: #MCWorkingCopy
                classPool: nil
                sharedPools: nil
                environment: Smalltalk
                category: #'Monticello-Versioning'
                registry: a Dictionary(a MCPackage(39Deprecated)->a MCWorkingCopy(39Deprecated)...etc...

[] in [] in Array(Collection)>>do:displayingProgress:every:
        Receiver: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc...
        Arguments and temporary variables:
<<error during printing>
        Receiver's instance variables:
{a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc...
Array(SequenceableCollection)>>do:
        Receiver: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc...
        Arguments and temporary variables:
                aBlock: [closure] in [] in Array(Collection)>>do:displayingProgress:every:
                index: 67
                indexLimiT: 88
        Receiver's instance variables:
{a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc...
[] in Array(Collection)>>do:displayingProgress:every:
        Receiver: {a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc...
        Arguments and temporary variables:
<<error during printing>
        Receiver's instance variables:
{a MCWorkingCopy(Help-Squeak-Project) . a MCWorkingCopy(ST80) . a MCWorkingCopy(MorphicExt...etc...
[] in [] in MorphicUIManager>>displayProgress:at:from:to:during:
        Receiver: a MorphicUIManager
        Arguments and temporary variables:
<<error during printing>
        Receiver's instance variables:
                builderClass: MorphicToolBuilder

BlockClosure>>on:do:
        Receiver: [closure] in [] in MorphicUIManager>>displayProgress:at:from:to:during:
        Arguments and temporary variables:
                exceptionOrExceptionSet: ProgressNotification
                handlerAction: [closure] in [] in MorphicUIManager>>displayProgress:at:from:to:during:...etc...
                handlerActive: true
        Receiver's instance variables:
                outerContext: [] in MorphicUIManager>>displayProgress:at:from:to:during:
                startpc: 86
                numArgs: 0

[] in MorphicUIManager>>displayProgress:at:from:to:during:
        Receiver: a MorphicUIManager
        Arguments and temporary variables:
<<error during printing>
        Receiver's instance variables:
                builderClass: MorphicToolBuilder

BlockClosure>>ensure:
        Receiver: [closure] in MorphicUIManager>>displayProgress:at:from:to:during:
        Arguments and temporary variables:
                aBlock: [closure] in MorphicUIManager>>displayProgress:at:from:to:during:
                complete: nil
                returnValue: nil
        Receiver's instance variables:
                outerContext: MorphicUIManager>>displayProgress:at:from:to:during:
                startpc: 79
                numArgs: 0

MorphicUIManager>>displayProgress:at:from:to:during:
        Receiver: a MorphicUIManager
        Arguments and temporary variables:
                titleString: ''
                aPoint: 960@508
                minVal: 0
                maxVal: 88
                workBlock: [closure] in Array(Collection)>>do:displayingProgress:every:
                progress: [closure] in SystemProgressMorph>>position:label:min:max:
                result: #(nil)
        Receiver's instance variables:
                builderClass: MorphicToolBuilder

ProgressInitiationException>>defaultResumeValue
        Receiver: ProgressInitiationException:
        Arguments and temporary variables:

        Receiver's instance variables:
                messageText: nil
                tag: nil
                signalContext: ProgressInitiationException(Exception)>>signal
                handlerContext: nil
                outerContext: nil
                workBlock: [closure] in Array(Collection)>>do:displayingProgress:every:
                maxVal: 88
                minVal: 0
                aPoint: 960@508
                progressTitle: ''

ProgressInitiationException(Exception)>>resume
        Receiver: ProgressInitiationException:
        Arguments and temporary variables:

        Receiver's instance variables:
                messageText: nil
                tag: nil
                signalContext: ProgressInitiationException(Exception)>>signal
                handlerContext: nil
                outerContext: nil
                workBlock: [closure] in Array(Collection)>>do:displayingProgress:every:
                maxVal: 88
                minVal: 0
                aPoint: 960@508
                progressTitle: ''

ProgressInitiationException>>defaultAction
        Receiver: ProgressInitiationException:
        Arguments and temporary variables:

        Receiver's instance variables:
                messageText: nil
                tag: nil
                signalContext: ProgressInitiationException(Exception)>>signal
                handlerContext: nil
                outerContext: nil
                workBlock: [closure] in Array(Collection)>>do:displayingProgress:every:
                maxVal: 88
                minVal: 0
                aPoint: 960@508
                progressTitle: ''

UndefinedObject>>handleSignal:
        Receiver: nil
        Arguments and temporary variables:
                exception: ProgressInitiationException:
        Receiver's instance variables:
nil
ProgressInitiationException(Exception)>>signal
        Receiver: ProgressInitiationException:
        Arguments and temporary variables:

        Receiver's instance variables:
                messageText: nil
                tag: nil
                signalContext: ProgressInitiationException(Exception)>>signal
                handlerContext: nil
                outerContext: nil
                workBlock: [closure] in Array(Collection)>>do:displayingProgress:every:
                maxVal: 88
                minVal: 0
                aPoint: 960@508
                progressTitle: ''

ProgressInitiationException>>display:at:from:to:during:
        Receiver: ProgressInitiationException:
        Arguments and temporary variables:
                argString: ''
                argPoint: 960@508
                argMinVal: 0
                argMaxVal: 88
                argWorkBlock: [closure] in Array(Collection)>>do:displayingProgress:every:
        Receiver's instance variables:
                messageText: nil
                tag: nil
                signalContext: ProgressInitiationException(Exception)>>signal
                handlerContext: nil
                outerContext: nil
                workBlock: [closure] in Array(Collection)>>do:displayingProgress:every:
                maxVal: 88
                minVal: 0
                aPoint: 960@508
                progressTitle: ''


--- The full stack ---
MCDiffyVersion>>baseSnapshot
MCDiffyVersion>>snapshot
MCWorkingCopy>>findSnapshotWithVersionInfo:
MCWorkingCopy>>checkModified
[] in MCWorkingCopy class>>checkModified:
[] in [] in Array(Collection)>>do:displayingProgress:every:
Array(SequenceableCollection)>>do:
[] in Array(Collection)>>do:displayingProgress:every:
[] in [] in MorphicUIManager>>displayProgress:at:from:to:during:
BlockClosure>>on:do:
[] in MorphicUIManager>>displayProgress:at:from:to:during:
BlockClosure>>ensure:
MorphicUIManager>>displayProgress:at:from:to:during:
ProgressInitiationException>>defaultResumeValue
ProgressInitiationException(Exception)>>resume
ProgressInitiationException>>defaultAction
UndefinedObject>>handleSignal:
ProgressInitiationException(Exception)>>signal
ProgressInitiationException>>display:at:from:to:during:
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ProgressInitiationException class>>display:at:from:to:during:
ByteString(String)>>displayProgressAt:from:to:during:
ByteString(String)>>displayProgressFrom:to:during:
Array(Collection)>>do:displayingProgress:every:
Array(Collection)>>do:displayingProgress:
MCWorkingCopy class>>checkModified:
MCWorkingCopyBrowser>>checkAllPackages
MCWorkingCopyBrowser(MCTool)>>perform:orSendTo:
[] in MenuItemMorph>>invokeWithEvent:
BlockClosure>>ensure:
CursorWithMask(Cursor)>>showWhile:
MenuItemMorph>>invokeWithEvent:
MenuItemMorph>>mouseUp:
MenuItemMorph>>handleMouseUp:
MouseButtonEvent>>sentTo:
MenuItemMorph(Morph)>>handleEvent:
MorphicEventDispatcher>>dispatchEvent:withHandler:withMorph:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>dispatchEvent:with:
MenuItemMorph(Morph)>>processEvent:using:
[] in MorphicEventDispatcher>>dispatchEvent:toSubmorphsOf:
Array(SequenceableCollection)>>do:
MenuMorph(Morph)>>submorphsDo:
MorphicEventDispatcher>>dispatchEvent:toSubmorphsOf:
MorphicEventDispatcher>>dispatchEvent:withHandler:withMorph:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>dispatchEvent:with:
MenuMorph(Morph)>>processEvent:using:
MorphicEventDispatcher>>doProcessingForFocusEvent:with:
MorphicEventDispatcher>>dispatchFocusEventFully:with:
MenuMorph>>processFocusEvent:using:
MenuMorph(Morph)>>processFocusEvent:
[] in [] in [] in HandMorph>>sendFocusEvent:to:clear:
BlockClosure>>ensure:
MouseButtonEvent(MorphicEvent)>>becomeActiveDuring:
[] in [] in HandMorph>>sendFocusEvent:to:clear:
BlockClosure>>ensure:
HandMorph>>becomeActiveDuring:
[] in HandMorph>>sendFocusEvent:to:clear:
BlockClosure>>ensure:
PasteUpMorph>>becomeActiveDuring:
HandMorph>>sendFocusEvent:to:clear:
-- and more not shown --

tim
--
tim Rowledge; [hidden email]; http://www.rowledge.org/tim
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