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Attempt to modify PSI for non-committed Document!
java.lang.IllegalStateException: Attempt to modify PSI for non-committed Document!	at com.intellij.psi.impl.PsiToDocumentSynchronizer.checkPsiModificationAllowed(PsiToDocumentSynchronizer.java:83)	at com.intellij.psi.impl.PsiToDocumentSynchronizer.beforeChildrenChange(PsiToDocumentSynchronizer.java:153)	at com.intellij.psi.impl.PsiManagerImpl.fireEvent(PsiManagerImpl.java:418)	at com.intellij.psi.impl.PsiManagerImpl.beforeChildrenChange(PsiManagerImpl.java:270)	at com.intellij.psi.SingleRootFileViewProvider.onContentReload(SingleRootFileViewProvider.java:224)	at org.intellij.plugins.ceylon.ide.ceylonCode.psi.CeylonLocalAnalyzerManager$8$1.$call$(CeylonLocalAnalyzerManager.ceylon:183)	at ceylon.interop.java.JavaRunnable.run(JavaRunnable.ceylon:7)	at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1009)	at org.intellij.plugins.ceylon.ide.ceylonCode.psi.CeylonLocalAnalyzerManager$8.$call$(CeylonLocalAnalyzerManager.ceylon:182)	at ceylon.interop.java.JavaRunnable.run(JavaRunnable.ceylon:7)	at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:345)	at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:329)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)	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.awt.EventQueue.dispatchEvent(EventQueue.java:726)	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:857)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:658)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:386)	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)