InspectorGeneral exception (IllegalAccessException in com.sixrr.ig.utils.jb)

Class com.sixrr.ig.utils.jb can not access a member of class
com.intellij.history.deprecated.DeprecatedLVCS$1 with modifiers "public"
java.lang.IllegalAccessException: Class com.sixrr.ig.utils.jb can not
access a member of class
com.intellij.history.deprecated.DeprecatedLVCS$1 with modifiers "public"
at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
at java.lang.reflect.Method.invoke(Method.java:578)
at com.sixrr.ig.utils.jb.a(jb.java:3)
at
com.sixrr.ig.nullity.InferNullityAnnotationsAction.actionPerformed(InferNullityAnnotationsAction.java:13)
at
com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:8)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
at
com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:28)
at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.AbstractButton.doClick(AbstractButton.java:302)
at
javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1000)
at
javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1041)
at java.awt.Component.processMouseEvent(Component.java:5501)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
at java.awt.Component.processEvent(Component.java:5266)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3968)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1778)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:189)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:161)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:108)
at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)