Error when working with two windows

[MCMicS]

I have open two projects and close and reopen one of them. Then I got following error in both projects.

May be related to #167

com.intellij.util.IncorrectOperationException: Sorry but parent: Project
(name=project1, containerState=DISPOSE_COMPLETED,
componentStore=project1)  has already
been disposed (see the cause for stacktrace) so the child: null
1713676373: running=false; canceled=false; task=null will never be disposed
    at com.intellij.openapi.util.ObjectTree.register(ObjectTree.java:59)
    at com.intellij.openapi.util.Disposer.register(Disposer.java:78)
    at
com.intellij.openapi.progress.util.ProgressWindow.<init>(ProgressWindow.java:88)
    at
com.intellij.openapi.progress.util.ProgressWindow.<init>(ProgressWindow.java:73)
    at
com.intellij.openapi.progress.impl.BackgroundableProcessIndicator.<init>(BackgroundableProcessIndicator.java:56)
    at
com.intellij.openapi.progress.impl.BackgroundableProcessIndicator.<init>(BackgroundableProcessIndicator.java:42)
    at
com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressAsynchronously(ProgressManagerImpl.java:104)
    at
com.intellij.openapi.progress.impl.CoreProgressManager.runAsynchronously(CoreProgressManager.java:327)
    at
com.intellij.openapi.progress.impl.CoreProgressManager.run(CoreProgressManager.java:311)
    at com.intellij.openapi.progress.Task.queue(Task.java:116)
    at
org.codinjutsu.tools.jenkins.util.GuiUtil$TaskRunner.run(GuiUtil.java:69)
    at
com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:309)
    at
com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.doRun(LaterInvocator.java:441)
    at
com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:424)
    at
com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:407)
    at
java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
    at
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:776)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
    at java.base/java.security.AccessController.doPrivileged(Native Method)
    at
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
    at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:746)
    at
com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:908)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:781)
    at
com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:424)
    at
com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:698)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:423)
    at
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
    at
java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
    at
java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
    at
java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
    at
java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at
java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)