Custom Projectview: ModuleClassLoaderIsDisposedException

[arimer]

jetbrains.mps.classloading.ModuleClassLoader$ModuleClassLoaderIsDisposedException: ClassLoader of the module 'com.mbeddr.mpsutil.projectview.runtime [solution]' is disposed and not operable!
    at jetbrains.mps.classloading.ModuleClassLoader.checkNotDisposed(ModuleClassLoader.java:88)
    at jetbrains.mps.classloading.ModuleClassLoader.loadClass(ModuleClassLoader.java:117)
    at jetbrains.mps.classloading.ModuleClassLoader.loadClass(ModuleClassLoader.java:113)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
    at com.mbeddr.mpsutil.projectview.runtime.tree.CustomProjectView.createComponent(CustomProjectView.java:483)
    at com.intellij.ide.projectView.impl.ProjectViewImpl.showPane(ProjectViewImpl.java:814)
    at com.intellij.ide.projectView.impl.ProjectViewImpl.viewSelectionChanged(ProjectViewImpl.java:1006)
    at com.intellij.ide.projectView.impl.ProjectViewImpl$20.selectionChanged(ProjectViewImpl.java:897)
    at jdk.internal.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at com.intellij.util.EventDispatcher.dispatchVoidMethod(EventDispatcher.java:120)
    at com.intellij.util.EventDispatcher.lambda$createMulticaster$1(EventDispatcher.java:85)
    at jdk.proxy2/jdk.proxy2.$Proxy91.selectionChanged(Unknown Source)
    at com.intellij.ui.content.impl.ContentManagerImpl.fireSelectionChanged(ContentManagerImpl.java:619)
    at com.intellij.ui.content.impl.ContentManagerImpl.addSelectedContent(ContentManagerImpl.java:436)
    at com.intellij.ui.content.impl.ContentManagerImpl$2.run(ContentManagerImpl.java:524)
    at com.intellij.ui.content.impl.ContentManagerImpl.lambda$setSelectedContent$4(ContentManagerImpl.java:537)
    at com.intellij.openapi.util.ActionCallback$ExecutedExecutionCallback.doWhenExecuted(ActionCallback.java:177)
    at com.intellij.openapi.util.ActionCallback.doWhenDone(ActionCallback.java:111)
    at com.intellij.openapi.util.ActionCallback.doWhenProcessed(ActionCallback.java:129)
    at com.intellij.ui.content.impl.ContentManagerImpl.setSelectedContent(ContentManagerImpl.java:537)
    at com.intellij.ui.content.impl.ContentManagerImpl.setSelectedContentCB(ContentManagerImpl.java:489)
    at com.intellij.openapi.wm.impl.content.SelectContentStep.onChosen(SelectContentStep.kt:30)
    at com.intellij.openapi.wm.impl.content.SelectContentStep.onChosen(SelectContentStep.kt:11)
    at com.intellij.ui.popup.list.ListPopupImpl._handleSelect(ListPopupImpl.java:403)
    at com.intellij.ui.popup.list.ListPopupImpl.handleSelect(ListPopupImpl.java:361)
    at com.intellij.ui.popup.list.ListPopupImpl$MyMouseListener.mouseReleased(ListPopupImpl.java:618)
    at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:298)
    at java.desktop/java.awt.Component.processMouseEvent(Component.java:6648)
    at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3392)
    at com.intellij.ui.popup.list.ListPopupImpl$MyList.processMouseEvent(ListPopupImpl.java:694)
    at java.desktop/java.awt.Component.processEvent(Component.java:6413)
    at java.desktop/java.awt.Container.processEvent(Container.java:2266)
    at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5022)
    at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
    at java.desktop/java.awt.Component.dispatchEvent(Component.java:4854)
    at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4948)
    at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4575)
    at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4516)
    at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
    at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2802)
    at java.desktop/java.awt.Component.dispatchEvent(Component.java:4854)
    at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:730)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:724)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97)
    at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:754)
    at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:752)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
    at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:751)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:918)
    at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:840)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:763)
    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)