Settings dialog cannot be invoked on EAP 96.1190

hi
when i press the setting button or file-> settings ,i get the following exception





Error during dispatching of java.awt.event.MouseEvent[MOUSE_RELEASED,(83,248),absolute(83,248),button=1,modifiers=Button1,clickCount=1] on frame0: com/intellij/application/options/codeStyle/LanguageCodeStyleSettingsProvider
java.lang.NoClassDefFoundError: com/intellij/application/options/codeStyle/LanguageCodeStyleSettingsProvider
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:466)
    at com.intellij.util.lang.UrlClassLoader._defineClass(UrlClassLoader.java:123)
    at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:119)
    at com.intellij.util.lang.UrlClassLoader._findClass(UrlClassLoader.java:95)
    at com.intellij.ide.plugins.cl.PluginClassLoader.loadClassInsideSelf(PluginClassLoader.java:94)
    at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:57)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:247)
    at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.loadClass(ExtensionComponentAdapter.java:140)
    at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentImplementation(ExtensionComponentAdapter.java:61)
    at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentInstance(ExtensionComponentAdapter.java:67)
    at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getExtension(ExtensionComponentAdapter.java:106)
    at com.intellij.openapi.extensions.impl.ExtensionPointImpl.processAdapters(ExtensionPointImpl.java:219)
    at com.intellij.openapi.extensions.impl.ExtensionPointImpl.getExtensions(ExtensionPointImpl.java:163)
    at com.intellij.openapi.extensions.Extensions.getExtensions(Extensions.java:99)
    at com.intellij.openapi.extensions.Extensions.getExtensions(Extensions.java:87)
    at com.intellij.psi.codeStyle.LanguageCodeStyleSettingsProvider.getLanguagesWithCodeStyleSettings(LanguageCodeStyleSettingsProvider.java:65)
    at com.intellij.application.options.codeStyle.LanguageSelector.<init>(LanguageSelector.java:30)
    at com.intellij.application.options.CodeStyleSchemesConfigurable.<init>(CodeStyleSchemesConfigurable.java:55)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at org.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:193)
    at org.picocontainer.defaults.ConstructorInjectionComponentAdapter$1.run(ConstructorInjectionComponentAdapter.java:220)
    at org.picocontainer.defaults.ThreadLocalCyclicDependencyGuard.observe(ThreadLocalCyclicDependencyGuard.java:53)
    at org.picocontainer.defaults.ConstructorInjectionComponentAdapter.getComponentInstance(ConstructorInjectionComponentAdapter.java:248)
    at com.intellij.openapi.extensions.AbstractExtensionPointBean.instantiate(AbstractExtensionPointBean.java:69)
    at com.intellij.openapi.options.ConfigurableEP$NewInstanceFactory.create(ConfigurableEP.java:98)
    at com.intellij.openapi.options.ConfigurableEP$NewInstanceFactory.create(ConfigurableEP.java:96)
    at com.intellij.openapi.options.ConfigurableEP.createConfigurable(ConfigurableEP.java:76)
    at com.intellij.openapi.options.ex.ConfigurableExtensionPointUtil.buildConfigurablesList(ConfigurableExtensionPointUtil.java:46)
    at com.intellij.openapi.options.ex.ConfigurablesGroupBase.getConfigurables(ConfigurablesGroupBase.java:46)
    at com.intellij.ide.actions.ShowSettingsUtilImpl.a(ShowSettingsUtilImpl.java:104)
    at com.intellij.ide.actions.ShowSettingsUtilImpl.a(ShowSettingsUtilImpl.java:49)
    at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:45)
    at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:53)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:220)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:83)
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
    at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
    at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1223)
    at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1264)
    at java.awt.Component.processMouseEvent(Component.java:6267)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
    at java.awt.Component.processEvent(Component.java:6032)
    at java.awt.Container.processEvent(Container.java:2041)
    at java.awt.Component.dispatchEventImpl(Component.java:4630)
    at java.awt.Container.dispatchEventImpl(Container.java:2099)
    at java.awt.Component.dispatchEvent(Component.java:4460)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
    at java.awt.Container.dispatchEventImpl(Container.java:2085)
    at java.awt.Window.dispatchEventImpl(Window.java:2478)
    at java.awt.Component.dispatchEvent(Component.java:4460)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
    at com.intellij.ide.IdeEventQueue.f(IdeEventQueue.java:628)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:505)
    at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:406)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:370)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.ClassNotFoundException: com.intellij.application.options.codeStyle.LanguageCodeStyleSettingsProvider
    at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:70)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    ... 74 more

1 comment

close Idea
disable plugins (for sure Python plugin, maybe some others) - delete its files (folder) from plugin dir
start Idea
goto settings, plugins - install needed plugins

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