here is log, Idea version: 2021.1.3, IdeaVIM 1.9.2, EasyMotion: 1.8:
2022-07-24 14:22:47,160 [ 517973] ERROR - tellij.openapi.util.ObjectTree - Cannot load class org.jetbrains.plugins.extension.easymotion.EasyHandlerBase (
error: com/maddyhome/idea/vim/extension/VimExtensionHandler$WithCallback,
classLoader=PluginClassLoader(plugin=PluginDescriptor(name=IdeaVim-EasyMotion, id=org.jetbrains.IdeaVim-EasyMotion, descriptorPath=plugin.xml, path=~/Library/Application Support/JetBrains/IntelliJIdea2021.1/plugins/IdeaVim-EasyMotion, version=1.8, package=null), packagePrefix=null, instanceId=8, state=active)
)
com.intellij.diagnostic.PluginException: Cannot load class org.jetbrains.plugins.extension.easymotion.EasyHandlerBase (
error: com/maddyhome/idea/vim/extension/VimExtensionHandler$WithCallback,
classLoader=PluginClassLoader(plugin=PluginDescriptor(name=IdeaVim-EasyMotion, id=org.jetbrains.IdeaVim-EasyMotion, descriptorPath=plugin.xml, path=~/Library/Application Support/JetBrains/IntelliJIdea2021.1/plugins/IdeaVim-EasyMotion, version=1.8, package=null), packagePrefix=null, instanceId=8, state=active)
)
at com.intellij.ide.plugins.cl.PluginClassLoader.loadClassInsideSelf(PluginClassLoader.java:346)
at com.intellij.ide.plugins.cl.PluginClassLoader.tryLoadingClass(PluginClassLoader.java:233)
at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:212)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
at java.base/java.lang.ClassLoader.defineClass2(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1109)
at com.intellij.util.lang.UrlClassLoader.consumeClassData(UrlClassLoader.java:276)
at com.intellij.util.lang.ZipResourceFile.findClass(ZipResourceFile.java:119)
at com.intellij.util.lang.JarLoader.findClass(JarLoader.java:55)
at com.intellij.util.lang.ClassPath.findClassInLoader(ClassPath.java:224)
at com.intellij.util.lang.ClassPath.findClass(ClassPath.java:183)
at com.intellij.ide.plugins.cl.PluginClassLoader.loadClassInsideSelf(PluginClassLoader.java:338)
at com.intellij.ide.plugins.cl.PluginClassLoader.tryLoadingClass(PluginClassLoader.java:233)
at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:212)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
at org.jetbrains.plugins.extension.easymotion.UtilsKt.getHandler(Utils.kt:46)
at org.jetbrains.plugins.extension.easymotion.UtilsKt.mapToFunction(Utils.kt:37)
at org.jetbrains.plugins.extension.easymotion.UtilsKt.mapToFunctionAndProvideKeys(Utils.kt:57)
at org.jetbrains.plugins.extension.easymotion.EasyMotionExtension.init(EasyMotionExtension.kt:91)
at com.maddyhome.idea.vim.extension.VimExtensionRegistrar.enableDelayedExtensions(VimExtensionRegistrar.kt:101)
at com.maddyhome.idea.vim.VimPlugin.turnOnPlugin(VimPlugin.java:361)
at com.maddyhome.idea.vim.VimPlugin.setEnabled(VimPlugin.java:281)
at com.maddyhome.idea.vim.action.VimPluginToggleAction.setSelected(VimPluginToggleAction.kt:35)
at com.intellij.openapi.actionSystem.ToggleAction.actionPerformed(ToggleAction.java:49)
at com.intellij.openapi.actionSystem.ex.ActionUtil.lambda$performActionDumbAware$5(ActionUtil.java:273)
at com.intellij.util.SlowOperations.lambda$allowSlowOperations$0(SlowOperations.java:77)
at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:64)
at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:76)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:273)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAwareWithCallbacks(ActionUtil.java:267)
at com.intellij.ui.popup.ActionPopupStep.performAction(ActionPopupStep.java:241)
at com.intellij.ui.popup.ActionPopupStep.performAction(ActionPopupStep.java:231)
at com.intellij.ui.popup.ActionPopupStep.lambda$onChosen$2(ActionPopupStep.java:217)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:95)
at com.intellij.ui.popup.AbstractPopup.lambda$dispose$18(AbstractPopup.java:1511)
at com.intellij.util.ui.EdtInvocationManager.invokeLaterIfNeeded(EdtInvocationManager.java:101)
at com.intellij.ide.IdeEventQueue.ifFocusEventsInTheQueue(IdeEventQueue.java:188)
at com.intellij.ide.IdeEventQueue.executeWhenAllFocusEventsLeftTheQueue(IdeEventQueue.java:140)
at com.intellij.openapi.wm.impl.FocusManagerImpl.doWhenFocusSettlesDown(FocusManagerImpl.java:173)
at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.doWhenFocusSettlesDown(IdeFocusManagerImpl.java:36)
at com.intellij.ui.popup.AbstractPopup.dispose(AbstractPopup.java:1507)
at com.intellij.ui.popup.WizardPopup.dispose(WizardPopup.java:163)
at com.intellij.ui.popup.list.ListPopupImpl.dispose(ListPopupImpl.java:343)
at com.intellij.ui.popup.PopupFactoryImpl$ActionGroupPopup.dispose(PopupFactoryImpl.java:290)
at com.intellij.openapi.util.ObjectTree.runWithTrace(ObjectTree.java:138)
at com.intellij.openapi.util.ObjectTree.executeAll(ObjectTree.java:168)
at com.intellij.openapi.util.Disposer.dispose(Disposer.java:153)
at com.intellij.openapi.util.Disposer.dispose(Disposer.java:141)
at com.intellij.ui.popup.WizardPopup.disposeAllParents(WizardPopup.java:266)
at com.intellij.ui.popup.list.ListPopupImpl.handleNextStep(ListPopupImpl.java:460)
at com.intellij.ui.popup.list.ListPopupImpl._handleSelect(ListPopupImpl.java:432)
at com.intellij.ui.popup.list.ListPopupImpl.handleSelect(ListPopupImpl.java:378)
at com.intellij.ui.popup.PopupFactoryImpl$ActionGroupPopup.handleSelect(PopupFactoryImpl.java:310)
at com.intellij.ui.popup.list.ListPopupImpl$MyMouseListener.mouseReleased(ListPopupImpl.java:652)
at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:298)
at java.desktop/java.awt.Component.processMouseEvent(Component.java:6652)
at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3345)
at com.intellij.ui.popup.list.ListPopupImpl$MyList.processMouseEvent(ListPopupImpl.java:728)
at java.desktop/java.awt.Component.processEvent(Component.java:6417)
at java.desktop/java.awt.Container.processEvent(Container.java:2263)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5027)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4859)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918)
at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4547)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2784)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4859)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:778)
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.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:751)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:749)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:748)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:969)
at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:906)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:836)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:449)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:808)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:448)
at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:781)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:502)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Caused by: java.lang.NoClassDefFoundError: com/maddyhome/idea/vim/extension/VimExtensionHandler$WithCallback
at java.base/java.lang.ClassLoader.defineClass2(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1109)
at com.intellij.util.lang.UrlClassLoader.consumeClassData(UrlClassLoader.java:276)
at com.intellij.util.lang.ZipResourceFile.findClass(ZipResourceFile.java:119)
at com.intellij.util.lang.JarLoader.findClass(JarLoader.java:55)
at com.intellij.util.lang.ClassPath.findClassInLoader(ClassPath.java:224)
at com.intellij.util.lang.ClassPath.findClass(ClassPath.java:183)
at com.intellij.ide.plugins.cl.PluginClassLoader.loadClassInsideSelf(PluginClassLoader.java:338)
here is log, Idea version: 2021.1.3, IdeaVIM 1.9.2, EasyMotion: 1.8:
Please take a look at the question.