java.lang.AssertionError: You can't edit unregistered node
	at jetbrains.mps.ide.editor.MPSEditorOpener.doOpenNode(MPSEditorOpener.java:81)
	at jetbrains.mps.ide.editor.MPSEditorOpener.openNode(MPSEditorOpener.java:77)
	at jetbrains.mps.ide.navigation.NavigationSupportImpl.openNode(NavigationSupportImpl.java:54)
	at de.itemis.mps.editor.pagination.runtime.plugin.utils.EditorCellUtil.openEditorComponentForNode(EditorCellUtil.java:142)
	at de.itemis.mps.editor.pagination.plugin.PaginationListener.lambda$mousePressed$7(PaginationListener.java:163)
	at java.base/java.util.Optional.ifPresent(Optional.java:178)
	at de.itemis.mps.editor.pagination.plugin.PaginationListener.lambda$mousePressed$8(PaginationListener.java:161)
	at jetbrains.mps.smodel.ActionDispatcher.dispatch(ActionDispatcher.java:98)
	at jetbrains.mps.smodel.ActionDispatcher.lambda$wrap$0(ActionDispatcher.java:135)
	at jetbrains.mps.smodel.LockRunnable.run(LockRunnable.java:60)
	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:872)
	at jetbrains.mps.smodel.WorkbenchModelAccess.runReadAction(WorkbenchModelAccess.java:84)
	at jetbrains.mps.smodel.ModelAccessBase.runReadAction(ModelAccessBase.java:56)
	at de.itemis.mps.editor.pagination.plugin.PaginationListener.mousePressed(PaginationListener.java:160)
	at java.desktop/java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:288)
	at java.desktop/java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:287)
	at java.desktop/java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:287)
	at java.desktop/java.awt.Component.processMouseEvent(Component.java:6645)
	at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3392)
	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:4572)
	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:909)
	at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:831)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:753)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$5(IdeEventQueue.java:437)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:787)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$6(IdeEventQueue.java:436)
	at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:113)
	at com.intellij.ide.IdeEventQueue.performActivity(IdeEventQueue.java:615)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$7(IdeEventQueue.java:434)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:838)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:480)
	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)