Cmd+Alt+H is a shortcut to hide all windows except the currently focused one. Apparently, it is also mapped somewhere to the action below, which failed with an exception.
User's action execute method failed. Action: Highlight Generated Lines. Class: com.mbeddr.mpsutil.genreview.plugin.HighlightCodeForNodeAction_Action
java.lang.IllegalArgumentException: Parameter 'directory' is not a directory
at org.apache.commons.io.FileUtils.validateListFilesParameters(FileUtils.java:545)
at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:521)
at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:691)
at com.mbeddr.mpsutil.genreview.utils.NodesTracingFacade.findLinesForNodeFromPath(NodesTracingFacade.java:112)
at com.mbeddr.mpsutil.genreview.utils.NodesTracingFacade.findLinesForNode(NodesTracingFacade.java:107)
at com.mbeddr.mpsutil.genreview.plugin.HighlightCodeForNodeHelper.highlightCodeForNode(HighlightCodeForNodeHelper.java:44)
at com.mbeddr.mpsutil.genreview.plugin.HighlightCodeForNodeAction_Action.doExecute(HighlightCodeForNodeAction_Action.java:58)
at jetbrains.mps.workbench.action.BaseAction.lambda$actionPerformed$2(BaseAction.java:208)
at jetbrains.mps.workbench.action.ActionAccess$CommandProjectAccess$1.run(ActionAccess.java:76)
at jetbrains.mps.smodel.WorkbenchModelAccess$UndoContextSetup.run(WorkbenchModelAccess.java:367)
at jetbrains.mps.smodel.ActionDispatcher.dispatch(ActionDispatcher.java:98)
at jetbrains.mps.smodel.ActionDispatcher.lambda$wrap$0(ActionDispatcher.java:135)
at jetbrains.mps.smodel.ActionDispatcher.dispatch(ActionDispatcher.java:98)
at jetbrains.mps.smodel.ActionDispatcher.lambda$wrap$0(ActionDispatcher.java:135)
at jetbrains.mps.smodel.LockRunnable.run(LockRunnable.java:60)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1023)
at jetbrains.mps.smodel.TryRunPlatformWriteHelper.runWrite(TryRunPlatformWriteHelper.java:103)
at jetbrains.mps.smodel.TryRunPlatformWriteHelper.lambda$withPlatformWrite$1(TryRunPlatformWriteHelper.java:96)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:219)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:174)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:164)
at jetbrains.mps.smodel.WorkbenchModelAccess.executeCommand(WorkbenchModelAccess.java:302)
at jetbrains.mps.smodel.ProjectModelAccess2.executeCommand(ProjectModelAccess2.java:35)
at jetbrains.mps.workbench.action.ActionAccess$CommandProjectAccess.runWithAccess(ActionAccess.java:73)
at jetbrains.mps.workbench.action.BaseAction.actionPerformed(BaseAction.java:200)
at com.intellij.openapi.actionSystem.ex.ActionUtil.doPerformActionOrShowPopup(ActionUtil.java:315)
at com.intellij.openapi.keymap.impl.ActionProcessor.performAction(ActionProcessor.java:47)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$1.performAction(IdeKeyEventDispatcher.java:595)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$doPerformActionInner$9(IdeKeyEventDispatcher.java:717)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:105)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:94)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$doPerformActionInner$10(IdeKeyEventDispatcher.java:717)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareWithCallbacks(ActionUtil.java:337)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.doPerformActionInner(IdeKeyEventDispatcher.java:714)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:658)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:606)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processActionOrWaitSecondStroke(IdeKeyEventDispatcher.java:489)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:478)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:229)
at com.intellij.ide.IdeEventQueue.dispatchKeyEvent(IdeEventQueue.java:824)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:760)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$6(IdeEventQueue.java:450)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:791)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$7(IdeEventQueue.java:449)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:113)
at com.intellij.ide.IdeEventQueue.performActivity(IdeEventQueue.java:624)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:447)
at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:881)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:493)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)
Cmd+Alt+H is a shortcut to hide all windows except the currently focused one. Apparently, it is also mapped somewhere to the action below, which failed with an exception.