I have no idea. But why don���t you move to Pharo 5?

Cheers,
Alexandre

> On Oct 13, 2015, at 4:36 PM, Lyn Headley <laheadle@gmail.com> wrote:
>
> Hello,
>
> I'm running pharo 4 and I'm having a problem. I recently renamed a
> class using the rename: menu item in the standard system browser (I
> believe it's called Nautilus) and now I am getting uncaught exceptions
> whenever I add or remove a method (three debugger windows pop
> up). Here is the stack trace; any advice?
>
> Thank you.
>
> Lyn
>
> Author: LynHeadley
> Date: 2015-10-13T08:51:16.837987-07:00
>
> UndefinedObject(Object)>>doesNotUnderstand: #theMetaClass
> RGMetaclassDefinition>>realClass
> RGMethodDefinition(RGElementDefinition)>>realParent
> RGMethodDefinition(RGElementDefinition)>>realClass
> RGMethodDefinition>>methodClass
> ByteSymbol(Symbol)>>value:
> OrderedCollection>>collect:
> MessageBrowser>>buildHierarchyForMessages:
> MessageBrowser>>cacheHierarchyForClasses:
> MessageBrowser>>messages:
> [
> (item methodClass notNil and: [ item methodClass isObsolete not ])
>�� �� �� ��ifTrue: [
>�� �� �� �� �� �� �� ��| sel text boolean |
>�� �� �� �� �� �� �� ��boolean := textModel hasUnacceptedEdits.
>�� �� �� �� �� �� �� ��boolean
>�� �� �� �� �� �� �� �� �� �� �� ��ifTrue: [ text := textModel pendingText ].
>�� �� �� �� �� �� �� ��sel := listModel selectedItem.
>�� �� �� �� �� �� �� ��self
>�� �� �� �� �� �� �� �� �� �� �� ��messages:
>�� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��(listModel listItems
>�� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��add: item asFullRingDefinition;
>�� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� ��yourself).
>�� �� �� �� �� �� �� ��listModel setSelectedItem: sel.
>�� �� �� �� �� �� �� ��boolean
>�� �� �� �� �� �� �� �� �� �� �� ��ifTrue: [ textModel pendingText: text ] ] ] in MessageBrowser>>methodAdded:
> WorldState>>runStepMethodsIn:
> WorldMorph>>runStepMethods
> WorldState>>doOneCycleNowFor:
> WorldState>>doOneCycleFor:
> WorldMorph>>doOneCycle
> [
> [
> World doOneCycle.
> Processor yield.
> false ] whileFalse: [�� ] ] in MorphicUIManager>>spawnNewProcess
> [
> self value.
> Processor terminateActive ] in BlockClosure>>newProcess
>

--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel�� http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.