create a tag raises an error in Pharo 12

[Ducasse]

execute

	(IceTipCreateTagPanel 
		newApplication: context application 
		model: self item) 		
		asDialogWindow
			okAction: [ self context refreshTags ];
                                                  ^^^^^^^^^^^^^^^^^^^^^
			centeredRelativeTo: context window;
			open

IceTipRepositoryGroupPanel(Object)>>doesNotUnderstand: #refreshTags
[ self context refreshTags ] in IceTipCreateTagCommand>>execute in Block: [ self context refreshTags ]
FullBlockClosure(BlockClosure)>>cull:
SpDialogWindowPresenter>>triggerOkAction
[ 
				presenter triggerOkAction.
				presenter close ] in [ :presenter | 
			self acceptThen: [ 
				presenter triggerOkAction.
				presenter close ] ] in IceTipCreateTagPanel>>initializeDialogWindow: in Block: [ ...
IceTipCreateTagPanel>>acceptThen:
[ :presenter | 
			self acceptThen: [ 
				presenter triggerOkAction.
				presenter close ] ] in IceTipCreateTagPanel>>initializeDialogWindow: in Block: [ :presenter | ...
FullBlockClosure(BlockClosure)>>cull:
[ aBlock cull: self ] in SpDialogWindowPresenter>>addButton:do: in Block: [ aBlock cull: self ]
SpButtonPresenter>>performAction
SpMorphicButtonAdapter>>action