error on start of IDE

[codeMonkey404]

Plugin 'org.intellij.plugins.ceylon.ide' failed to initialize and will be disabled. Please restart IntelliJ IDEA

ava.lang.ClassNotFoundException: org.intellij.plugins.ceylon.ide.model.IdeaCeylonProjects PluginClassLoader(plugin=PluginDescriptor(name=Ceylon IDE, id=org.intellij.plugins.ceylon.ide, descriptorPath=plugin.xml, path=~/Library/Application Support/JetBrains/IntelliJIdea2021.2/plugins/CeylonIDEA, version=$pluginVersion$, package=null), packagePrefix=null, instanceId=104, state=active) at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:235) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at com.intellij.serviceContainer.ComponentManagerImpl.registerComponent(ComponentManagerImpl.kt:441) at com.intellij.serviceContainer.ComponentManagerImpl.registerComponents(ComponentManagerImpl.kt:380) at com.intellij.serviceContainer.ComponentManagerImpl.access$registerComponents(ComponentManagerImpl.kt:58) at com.intellij.serviceContainer.ComponentManagerImpl.registerComponents(ComponentManagerImpl.kt:255) at com.intellij.openapi.client.ClientAwareComponentManager.registerComponents(ClientAwareComponentManager.kt:63) at com.intellij.openapi.project.impl.ProjectLoadHelper.registerComponents(projectLoader.kt:25) at com.intellij.openapi.project.impl.ProjectManagerImpl.initProject(ProjectManagerImpl.java:176) at com.intellij.openapi.project.impl.ProjectManagerExImpl.prepareProject(ProjectManagerExImpl.kt:270) at com.intellij.openapi.project.impl.ProjectManagerExImpl.access$prepareProject(ProjectManagerExImpl.kt:57) at com.intellij.openapi.project.impl.ProjectManagerExImpl$doOpenAsync$1.invoke(ProjectManagerExImpl.kt:119) at com.intellij.openapi.project.impl.ProjectManagerExImpl$doOpenAsync$1.invoke(ProjectManagerExImpl.kt:57) at com.intellij.openapi.project.impl.ProjectUiFrameAllocator$run$progressRunner$1.apply(ProjectFrameAllocator.kt:94) at com.intellij.openapi.project.impl.ProjectUiFrameAllocator$run$progressRunner$1.apply(ProjectFrameAllocator.kt:71) at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$3(ProgressRunner.java:243) at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:183) at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:705) at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:647) at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:63) at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:170) at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$4(ProgressRunner.java:243) at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1692) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)