IDE Fatal Errors. Exception in Studio core.

null
java.lang.NullPointerException
    at com.jetbrains.cidr.lang.workspace.OCWorkspaceManager.getWorkspace(OCWorkspaceManager.java:12)
    at com.jetbrains.cidr.lang.symbols.symtable.OCSymbolTablesBuildingActivity.clearAllSymbolDependentCaches(OCSymbolTablesBuildingActivity.java:381)
    at com.jetbrains.cidr.lang.symbols.symtable.OCSymbolTablesBuildingActivity.access$400(OCSymbolTablesBuildingActivity.java:47)
    at com.jetbrains.cidr.lang.symbols.symtable.OCSymbolTablesBuildingActivity$7.run(OCSymbolTablesBuildingActivity.java:241)
    at com.jetbrains.cidr.lang.symbols.symtable.OCSymbolTablesBuildingActivity$14$1.run(OCSymbolTablesBuildingActivity.java:420)
    at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1009)
    at com.jetbrains.cidr.lang.symbols.symtable.OCSymbolTablesBuildingActivity$14.run(OCSymbolTablesBuildingActivity.java:416)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
    at java.awt.EventQueue.access$500(EventQueue.java:97)
    at java.awt.EventQueue$3.run(EventQueue.java:709)
    at java.awt.EventQueue$3.run(EventQueue.java:703)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:857)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:658)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:386)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)

    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

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