To reproduce close all the projects, restart IDE (if required), try to open gem manager

Error during dispatching of java.awt.event.MouseEvent[MOUSE_RELEASED,(421,51),absolute(417,47),button=1,modifiers=Button1,clickCount=1] on frame0: Argument 0 for @NotNull parameter of org/jetbrains/plugins/ruby/rails/facet/RailsFacetUtil.hasRailsSupport must not be null
java.lang.IllegalArgumentException: Argument 0 for @NotNull parameter of org/jetbrains/plugins/ruby/rails/facet/RailsFacetUtil.hasRailsSupport must not be null
	at org.jetbrains.plugins.ruby.rails.facet.RailsFacetUtil.hasRailsSupport(RailsFacetUtil.java)
	at org.jetbrains.plugins.ruby.gem.ui.GemUiUtil.getUnsatisfiedDependencies(GemUiUtil.java:23)
	at org.jetbrains.plugins.ruby.gem.ui.GemManagerPanel.updateGems(GemManagerPanel.java:39)
	at org.jetbrains.plugins.ruby.gem.ui.GemManagerPanel$6.run(GemManagerPanel.java:3)
	at org.jetbrains.plugins.ruby.gem.ui.GemManagerPanel.setSelectedSdk(GemManagerPanel.java:164)
	at org.jetbrains.plugins.ruby.settings.RubyIdeSdkConfigurable.b(RubyIdeSdkConfigurable.java:25)
	at org.jetbrains.plugins.ruby.settings.RubyIdeSdkConfigurable.<init>(RubyIdeSdkConfigurable.java:52)
	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 org.picocontainer.defaults.DecoratingComponentAdapter.getComponentInstance(DecoratingComponentAdapter.java:60)
	at org.picocontainer.defaults.CachingComponentAdapter.getComponentInstance(CachingComponentAdapter.java:58)
	at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentInstance(ExtensionComponentAdapter.java:71)
	at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getExtension(ExtensionComponentAdapter.java:106)
	at com.intellij.openapi.extensions.impl.ExtensionPointImpl.processAdapters(ExtensionPointImpl.java:201)
	at com.intellij.openapi.extensions.impl.ExtensionPointImpl.getExtensions(ExtensionPointImpl.java:150)
	at com.intellij.openapi.project.impl.ProjectImpl.getExtensions(ProjectImpl.java:16)
	at com.intellij.openapi.options.ex.ProjectConfigurablesGroup.a(ProjectConfigurablesGroup.java:1)
	at com.intellij.openapi.options.ex.ProjectConfigurablesGroup.getConfigurables(ProjectConfigurablesGroup.java:19)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.a(ShowSettingsUtilImpl.java:68)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.a(ShowSettingsUtilImpl.java:27)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:4)
	at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:5)
	at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:42)
	at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:19)
	at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:99)
	at java.awt.Component.processEvent(Component.java:5981)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4583)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4413)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4556)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4220)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4150)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4413)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at com.intellij.ide.IdeEventQueue.d(IdeEventQueue.java:80)
	at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:38)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:196)
	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)

Issue was closed