Assertion Error

[kcwill2]

I got the following assertion error in Intellij:

Already disposed: Project (Disposed) Common
java.lang.AssertionError: Already disposed: Project (Disposed) Common
at com.intellij.openapi.components.impl.ComponentManagerImpl.getPicoContainer(ComponentManagerImpl.java:282)
at com.intellij.openapi.components.impl.ComponentManagerImpl.getPicoContainer(ComponentManagerImpl.java:54)
at com.intellij.openapi.components.ServiceManager.getService(ServiceManager.java:37)
at com.intellij.openapi.roots.ProjectFileIndex$SERVICE.getInstance(ProjectFileIndex.java:38)
at com.intellij.openapi.module.ModuleUtilCore.findModuleForFile(ModuleUtilCore.java:77)
at com.intellij.openapi.vcs.impl.ModuleDefaultVcsRootPolicy.getMatchContext(ModuleDefaultVcsRootPolicy.java:110)
at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.getMappingFor(NewMappings.java:239)
at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.getVcsFor(NewMappings.java:267)
at com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl.getVcsFor(ProjectLevelVcsManagerImpl.java:289)
at com.intellij.openapi.vcs.VcsVFSListener.isUnderMyVcs(VcsVFSListener.java:116)
at com.intellij.openapi.vcs.VcsVFSListener.access$300(VcsVFSListener.java:45)
at com.intellij.openapi.vcs.VcsVFSListener$MyVirtualFileAdapter.beforeContentsChange(VcsVFSListener.java:425)
at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.intellij.util.EventDispatcher.dispatch(EventDispatcher.java:88)
at com.intellij.util.EventDispatcher.access$100(EventDispatcher.java:34)
at com.intellij.util.EventDispatcher$1.invoke(EventDispatcher.java:68)
at com.sun.proxy.$Proxy15.beforeContentsChange(Unknown Source)
at com.intellij.openapi.vfs.impl.BulkVirtualFileListenerAdapter.fireBefore(BulkVirtualFileListenerAdapter.java:102)
at com.intellij.openapi.vfs.impl.BulkVirtualFileListenerAdapter.before(BulkVirtualFileListenerAdapter.java:47)
at sun.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.intellij.util.messages.impl.MessageBusConnectionImpl.deliverMessage(MessageBusConnectionImpl.java:116)
at com.intellij.util.messages.impl.MessageBusImpl.doPumpMessages(MessageBusImpl.java:322)
at com.intellij.util.messages.impl.MessageBusImpl.pumpMessages(MessageBusImpl.java:309)
at com.intellij.util.messages.impl.MessageBusImpl.sendMessage(MessageBusImpl.java:288)
at com.intellij.util.messages.impl.MessageBusImpl.access$200(MessageBusImpl.java:41)
at com.intellij.util.messages.impl.MessageBusImpl$2.invoke(MessageBusImpl.java:177)
at com.sun.proxy.$Proxy16.before(Unknown Source)
at com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl$5.close(PersistentFSImpl.java:631)
at com.intellij.openapi.fileEditor.impl.LoadTextUtil.write(LoadTextUtil.java:275)
at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl$4.run(FileDocumentManagerImpl.java:432)
at com.intellij.pom.core.impl.PomModelImpl.guardPsiModificationsIn(PomModelImpl.java:354)
at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.doSaveDocumentInWriteAction(FileDocumentManagerImpl.java:419)
at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.doSaveDocument(FileDocumentManagerImpl.java:393)
at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.saveAllDocuments(FileDocumentManagerImpl.java:314)
at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.saveAllDocuments(FileDocumentManagerImpl.java:293)
at net.orfjackal.sbt.plugin.SbtRunnerComponent$4.run(SbtRunnerComponent.java:164)
at com.intellij.openapi.application.impl.LaterInvocator$1.run(LaterInvocator.java:161)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:332)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:749)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:702)
at java.awt.EventQueue$3.run(EventQueue.java:696)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:719)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:734)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:569)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:382)
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)