java.lang.NullPointerException

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  • How to programmatically define mappings
    via fordiac by mwc5
    ,
    • java.lang.NullPointerException at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA$MapSubAppToCommand.canUndo(CConvertSystemToScheduledFASA.java:932) at org.eclipse.gef.commands.CommandStack.canUndo(CommandStack.java:165) at org.eclipse.gef.ui.actions.UndoAction.calculateEnabled(UndoAction.java:55) at org.eclipse.gef.ui.actions.WorkbenchPartAction.refresh(WorkbenchPartAction.java:131) at org.eclipse.gef.ui.actions.UndoAction.refresh(UndoAction.java:87) at org.eclipse.gef.ui.actions.WorkbenchPartAction.update(WorkbenchPartAction.java:173) at org.eclipse.gef.ui.parts.GraphicalEditor.updateActions(GraphicalEditor.java:458) at org.eclipse.gef.ui.parts.GraphicalEditor.commandStackChanged(GraphicalEditor.java:103) at org.fordiac.ide.gef.DiagramEditor.commandStackChanged(Unknown Source) at org.eclipse.gef.commands.CommandStack.notifyListeners(CommandStack.java:312) at org.eclipse.gef.commands.CommandStack.execute(CommandStack.java:211) at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA.addMappingTo4DIAC(CConvertSystemToScheduledFASA.java:800) at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA.access$4(CConvertSystemToScheduledFASA.java:722) at com.abb.fasa.fordiac.plugin.ui.actions.CConvertSystemToScheduledFASA$1.run(CConvertSystemToScheduledFASA.java:135) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
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