Linux，undo -->Ctrl +Z is not work

[SanPibrother]

i have checked the configuration is right, but only keys: Ctrl+Z is not work ,what should i do ？ i think the command ‘‘undo’’ is not work on my linux computer， but other soft on my computer, Ctrl+Z is work！

[SanPibrother]

hi！ my RED-Robot Editor version 0.9.5 ，Computer:GNU/Linux

[SanPibrother]

org.eclipse.core.commands.ExecutionException: Error executing 'org.robotframework.ide.eclipse.undoInTable': org.eclipse.e4.core.di.InjectionException: Unable to process "E4UndoHandler#undo()": no actual value was found for the argument "RobotEditorCommandsStack". at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:170) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:487) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:308) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:584) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:653) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:443) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$2(KeyBindingDispatcher.java:386) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:96) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1846) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1422) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1473) at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:837) at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:3933) at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:855) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2257) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_main_do_event(Native Method) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1486) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(Native Method) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4444) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) Caused by: org.eclipse.e4.core.di.InjectionException: org.eclipse.e4.core.di.InjectionException: Unable to process "E4UndoHandler#undo()": no actual value was found for the argument "RobotEditorCommandsStack". at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:68) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:319) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:253) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:173) at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:156) ... 47 more Caused by: org.eclipse.e4.core.di.InjectionException: Unable to process "E4UndoHandler#undo()": no actual value was found for the argument "RobotEditorCommandsStack". at org.eclipse.e4.core.internal.di.InjectorImpl.reportUnresolvedArgument(InjectorImpl.java:482) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:315) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:234) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:129) at org.robotframework.red.commands.DIParameterizedHandler.execute(DIParameterizedHandler.java:44) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:283) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:97) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) ... 51 more