Incompatibility with Code With Me from PhpStorm 2020.3.1 Preview

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With PhpStorm 2020.3.1 Preview and Markdown Navigator Enhanced 3.0.202.112 (EAP update channel) I get:

Cannot create listener

com.intellij.diagnostic.PluginException: Cannot create listener com.jetbrains.rdserver.unattendedHost.BackendNotificationCollector$MyNotificationListener [Plugin: com.jetbrains.codeWithMe]
	at com.intellij.serviceContainer.ComponentManagerImpl.createListener(ComponentManagerImpl.kt:788)
	at com.intellij.util.messages.impl.CompositeMessageBus.subscribeLazyListeners(CompositeMessageBus.java:187)
	at com.intellij.util.messages.impl.CompositeMessageBus.doComputeSubscribers(CompositeMessageBus.java:157)
	at com.intellij.util.messages.impl.MessageBusImpl.computeSubscribers(MessageBusImpl.java:360)
	at com.intellij.util.messages.impl.CompositeMessageBus.computeSubscribers(CompositeMessageBus.java:151)
	at com.intellij.util.messages.impl.MessageBusImpl$MessagePublisher.lambda$publish$0(MessageBusImpl.java:196)
	at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1737)
	at com.intellij.util.messages.impl.MessageBusImpl$MessagePublisher.publish(MessageBusImpl.java:196)
	at com.intellij.util.messages.impl.MessageBusImpl$MessagePublisher.invoke(MessageBusImpl.java:185)
	at com.sun.proxy.$Proxy148.notify(Unknown Source)
	at com.intellij.notification.Notifications$Bus.doNotify(Notifications.java:83)
	at com.intellij.notification.Notifications$Bus.lambda$notify$1(Notifications.java:77)
	at com.intellij.util.ui.EdtInvocationManager.invokeLaterIfNeeded(EdtInvocationManager.java:88)
	at com.intellij.util.ui.UIUtil.invokeLaterIfNeeded(UIUtil.java:2194)
	at com.intellij.notification.Notifications$Bus.notify(Notifications.java:77)
	at com.intellij.notification.Notification.notify(Notification.java:392)
	at com.vladsch.md.nav.enh.MdEnhPlugin$checkFixes$1$2.accept(MdEnhPlugin.kt:264)
	at com.vladsch.md.nav.enh.MdEnhPlugin$checkFixes$1$2.accept(MdEnhPlugin.kt:63)
	at com.vladsch.md.nav.enh.error.DiagnosticStatusRequester.lambda$doSubmit$2(DiagnosticStatusRequester.java:105)
	at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:216)
	at com.intellij.openapi.application.TransactionGuardImpl.access$200(TransactionGuardImpl.java:24)
	at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:199)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:822)
	at com.intellij.openapi.application.impl.ApplicationImpl.lambda$invokeLater$4(ApplicationImpl.java:324)
	at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java:85)
	at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:134)
	at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:47)
	at com.intellij.openapi.application.impl.FlushQueue$FlushNow.run(FlushQueue.java:190)
	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:976)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:843)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:454)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:773)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:453)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:822)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:501)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Caused by: java.lang.ClassNotFoundException: com.jetbrains.rdserver.unattendedHost.BackendNotificationCollector$MyNotificationListener PluginClassLoader[PluginDescriptor(name=Code With Me, id=com.jetbrains.codeWithMe, path=C:\Users\me\AppData\Local\JetBrains\Toolbox\apps\PhpStorm\ch-0\203.6682.89.plugins\codeWithMe-plugin, version=203.6682.89)] com.intellij.ide.plugins.cl.PluginClassLoader@1f4ddd93
	at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:129)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
	at java.base/java.lang.Class.forName0(Native Method)
	at java.base/java.lang.Class.forName(Class.java:398)
	at com.intellij.serviceContainer.ComponentManagerImpl.createListener(ComponentManagerImpl.kt:785)
	... 47 more