java.lang.NoClassDefFoundError: com/intellij/psi/PsiJavaFile

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java.lang.NoClassDefFoundError: com/intellij/psi/PsiJavaFile
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at com.vladsch.idea.multimarkdown.psi.flexmark.FlexmarkExampleOptionLiteralRenameHandler.isAvailableOnDataContext(FlexmarkExampleOptionLiteralRenameHandler.java:44)
at com.intellij.refactoring.rename.RenameHandlerRegistry.hasAvailableHandler(RenameHandlerRegistry.java:64)
at com.intellij.refactoring.actions.RenameElementAction.isEnabledOnDataContext(RenameElementAction.java:64)
at com.intellij.refactoring.actions.BaseRefactoringAction.update(BaseRefactoringAction.java:172)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareUpdate(ActionUtil.java:120)
at com.intellij.openapi.actionSystem.ActionGroupUtil.isActionEnabledAndVisible(ActionGroupUtil.java:103)
at com.intellij.openapi.actionSystem.ActionGroupUtil.isGroupEmpty(ActionGroupUtil.java:48)
at com.intellij.openapi.actionSystem.ActionGroupUtil.isGroupEmpty(ActionGroupUtil.java:50)
at com.intellij.openapi.actionSystem.ActionGroupUtil.isGroupEmpty(ActionGroupUtil.java:39)
at com.intellij.ide.actions.NonTrivialActionGroup.update(NonTrivialActionGroup.java:37)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareUpdate(ActionUtil.java:120)
at com.intellij.openapi.actionSystem.impl.Utils.a(Utils.java:188)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:139)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:86)
at com.intellij.openapi.actionSystem.impl.Utils.fillMenu(Utils.java:280)
at com.intellij.openapi.actionSystem.impl.ActionPopupMenuImpl$MyMenu.show(ActionPopupMenuImpl.java:95)
at com.intellij.ide.ui.customization.CustomizationUtil$3.invokePopup(CustomizationUtil.java:291)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
at java.awt.Component.processMouseEvent(Component.java:6535)
at java.awt.Component.processEvent(Component.java:6300)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4891)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4713)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2750)
at java.awt.Component.dispatchEvent(Component.java:4713)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:857)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:654)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

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