title: Error:java.lang.RuntimeException: com.intellij.util.io.PersistentEnumeratorBase$CorruptedException:
body: <p><strong>The problem below occured on my Intellij</strong></p>
  
  <pre><code>Error:Internal error: (com.intellij.util.io.PersistentEnumeratorBase$CorruptedException) PersistentEnumerator storage corrupted C:\Users\Steven\.IntelliJIdea2016.2\system\compile-server\fraudserver_2012620e\out-target\data
  com.intellij.util.io.PersistentEnumeratorBase$CorruptedException: PersistentEnumerator storage corrupted C:\Users\Steven\.IntelliJIdea2016.2\system\compile-server\fraudserver_2012620e\out-target\data
      at com.intellij.util.io.PersistentBTreeEnumerator.getNonnegativeValue(PersistentBTreeEnumerator.java:320)
      at com.intellij.util.io.PersistentHashMap$5.onDropFromCache(PersistentHashMap.java:233)
      at com.intellij.util.io.PersistentHashMap$5.onDropFromCache(PersistentHashMap.java:219)
      at com.intellij.util.containers.SLRUMap.clear(SLRUMap.java:153)
      at com.intellij.util.io.PersistentHashMap.doClose(PersistentHashMap.java:650)
      at com.intellij.util.io.PersistentHashMap.close(PersistentHashMap.java:641)
      at org.jetbrains.jps.incremental.storage.AbstractStateStorage.close(AbstractStateStorage.java:60)
      at org.jetbrains.jps.incremental.storage.BuildDataManager.close(BuildDataManager.java:253)
      at org.jetbrains.jps.cmdline.ProjectDescriptor.release(ProjectDescriptor.java:143)
      at org.jetbrains.jps.cmdline.BuildSession.saveData(BuildSession.java:337)
      at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:298)
      at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:125)
      at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler$1.run(BuildMain.java:232)
      at org.jetbrains.jps.service.impl.SharedThreadPoolImpl$1.run(SharedThreadPoolImpl.java:44)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)
  Caused by: java.lang.IllegalStateException: Index corrupted
      at com.intellij.util.io.IntToIntBtree$BtreeIndexNodeView.hashIndex(IntToIntBtree.java:1101)
      at com.intellij.util.io.IntToIntBtree$BtreeIndexNodeView.search(IntToIntBtree.java:400)
      at com.intellij.util.io.IntToIntBtree$BtreeIndexNodeView.locate(IntToIntBtree.java:987)
      at com.intellij.util.io.IntToIntBtree$BtreeIndexNodeView.access$000(IntToIntBtree.java:383)
      at com.intellij.util.io.IntToIntBtree.get(IntToIntBtree.java:181)
      at com.intellij.util.io.PersistentBTreeEnumerator.getNonnegativeValue(PersistentBTreeEnumerator.java:312)
      ... 18 more
  </code></pre>
  
  <p>Thanks a lot in advance.</p>