When reset dev to commit

[Ducasse]

I get

IceGitCommit(Object)>>doesNotUnderstand: #fullname
IceGitLocalBranch(IceBranch)>>=
[ | localBranch gitcommit |
		localBranch := self repositoryHandle lookupLocalBranch: self name.
		gitcommit := self repositoryHandle revparse: anIceGitCommit id.
		localBranch setTargetId: gitcommit id.
		self = repository head
			ifTrue: [ self repositoryHandle
					checkout_treeish: gitcommit
					opts:
						(LGitCheckoutOptions defaults
							checkoutStrategy: LGitCheckoutStrategyEnum git_checkout_force;
							yourself) ]] in IceGitLocalBranch>>commit: in Block: [ | localBranch gitcommit |...
FullBlockClosure(BlockClosure)>>on:do:
IceLibgitRepository>>handleLibgitError:
IceGitLocalBranch>>commit:
IceGitLocalBranch(IceLocalBranch)>>resetToCommit:
IceTipBranchModel>>resetToCommit:
Message>>sendTo:
IceTipTreeBranch(IceTipTreeNode)>>doesNotUnderstand: #resetToCommit:
IceTipResetBranchToThisCommitCommand>>execute
IceTipSpCommand(CmCommandDecorator)>>execute
[ aCommand execute ] in SpMenuPresenterBuilder>>fillItem:with: in Block: [ aCommand execute ]
FullBlockClosure(BlockClosure)>>cull:
SpMenuItemPresenter>>performMenuActionWith:
SpMorphicMenuItemAdapter>>performMenuActionWith:
[ | selArgCount |  "show cursor in case item opens a new MVC window"
		(selArgCount := selector numArgs) = 0
			ifTrue:
				[target perform: selector]
			ifFalse:
				[selArgCount = arguments size
					ifTrue: [target perform: selector withArguments: arguments]
					ifFalse: [target perform: selector withArguments: (arguments copyWith: evt)]].
		self showShortcut.
		self changed] in SpToggleMenuItemMorph(MenuItemMorph)>>invokeWithEvent: in Block: [ | selArgCount |  "show cursor in case item o[..]
FullBlockClosure(BlockClosure)>>ensure:
CursorWithMask(Cursor)>>showWhile:
SpToggleMenuItemMorph(MenuItemMorph)>>invokeWithEvent:
SpToggleMenuItemMorph(MenuItemMorph)>>mouseUp:
SpToggleMenuItemMorph(MenuItemMorph)>>handleMouseUp:
MouseButtonEvent>>sentTo:
SpToggleMenuItemMorph(Morph)>>handleEvent:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>handleMouseUp:
MouseButtonEvent>>sentTo:
[ ^ anEvent sentTo: self ] in MorphicEventDispatcher>>dispatchEvent:with: in Block: [ ^ anEvent sentTo: self ]
FullBlockClosure(BlockClosure)>>ensure:
MorphicEventDispatcher>>dispatchEvent:with:
SpToggleMenuItemMorph(Morph)>>processEvent:using:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>handleMouseUp:
MouseButtonEvent>>sentTo:
[ ^ anEvent sentTo: self ] in MorphicEventDispatcher>>dispatchEvent:with: in Block: [ ^ anEvent sentTo: self ]
FullBlockClosure(BlockClosure)>>ensure:
MorphicEventDispatcher>>dispatchEvent:with:
MenuMorph(Morph)>>processEvent:using:
MenuMorph(Morph)>>processEvent:
MenuMorph>>handleFocusEvent:
[
		result := focusHolder handleFocusEvent: transformedEvent.
	] in HandMorph>>sendFocusEvent:to:clear: in Block: [...
FullBlockClosure(BlockClosure)>>on:do:
WorldMorph>>becomeActiveDuring:
HandMorph>>sendFocusEvent:to:clear:
HandMorph>>sendEvent:focus:clear:
HandMorph>>sendMouseEvent:
HandMorph>>handleEvent:
[
		(morphicWorld activeHand isNotNil and: [ anEvent hand isNotNil ]) ifTrue: [
			morphicWorld activeHand handleEvent: anEvent
		]
	] in OSWindowMorphicEventHandler>>dispatchMorphicEvent: in Block: [...
WorldState>>runStepMethodsIn:
WorldMorph>>runStepMethods
WorldState>>doOneCycleFor:
WorldMorph>>doOneCycleNow
WorldMorph>>doOneCycle
[
		| extraWorldsToDraw |
		extraWorldsToDraw := ExtraWorldListMutex critical: [
			                     self extraWorldList ].
		extraWorldsToDraw do: [ :world | world doOneCycle ].

		(self currentWorld isNotNil and: [
			 (extraWorldsToDraw includes: self currentWorld) not ]) ifTrue: [
			self currentWorld doOneCycle ] ] in WorldMorph class>>doOneCycle in Block: [...
FullBlockClosure(BlockClosure)>>ensure:
WorldState class>>doDrawCycleWith:
WorldMorph class>>doOneCycle
MorphicRenderLoop>>doOneCycle
MorphicRenderLoop>>doOneCycleWhile:
[ MorphicRenderLoop new doOneCycleWhile: [ true ] ] in MorphicUIManager>>spawnNewProcess in Block: [ MorphicRenderLoop new doOneCycleWhile: [ tru[..]
[self value.
			"IMPORTANT: Do not step over next line of code. See method comments for details"
			Processor terminateRealActive] in FullBlockClosure(BlockClosure)>>newProcess in Block: [self value....

[Ducasse]

Stupidly enough this issue does not provide any information.