Instance of SpEasyListViewPresenter did not understand #itemAt:
SpEasyListViewPresenter(Object)>>doesNotUnderstand: #itemAt:
SpEditableListPresenter>>moveElementAt:to:
[
self moveElementAt: self selectedIndex to: self selectedIndex - 1 ] in SpEditableListPresenter>>connectPresenters in Block: [ ...
SpButtonPresenter>>performAction
[ self presenter performAction ] in [
self runInSystem: [ self presenter performAction ] ] in GtkButtonAdapter>>addActionTo: in Block: [ self presenter performAction ]
[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....