[Pharo 9.0] Build #430: Fix #6722: pageUpdate method crashes when selected last page is removed

There is a new Pharo build available!
 
The status of the build #430 was: FAILURE.

The Pull Request #6724 was integrated: "Fix #6722: pageUpdate method crashes when selected last page is removed"
Pull request url: https://github.com/pharo-project/pharo/pull/6724

Issue Url: https://github.com/pharo-project/pharo/issues/calypsoTabsFix1
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo9.0/430/