异常解决：Internal error (java.lang.IllegalStateException): Duplicate key org.jetbrains

异常描述

Internal error (java.lang.IllegalStateException): Duplicate key org.jetbrains.jps.model.module.impl.JpsModuleImpl@25b485ba
java.lang.IllegalStateException: Duplicate key org.jetbrains.jps.model.module.impl.JpsModuleImpl@25b485ba
	at java.util.stream.Collectors.lambda$throwingMerger$0(Collectors.java:133)
	at java.util.HashMap.merge(HashMap.java:1253)
	at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1320)
	at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
	at org.jetbrains.jps.maven.model.impl.MavenAnnotationProcessorTargetType.createLoader(MavenAnnotationProcessorTargetType.java:50)
	at org.jetbrains.jps.incremental.storage.BuildTargetTypeState.load(BuildTargetTypeState.java:63)
	at org.jetbrains.jps.incremental.storage.BuildTargetTypeState.<init>(BuildTargetTypeState.java:52)
	at org.jetbrains.jps.incremental.storage.BuildTargetsState.getTypeState(BuildTargetsState.java:122)
	at org.jetbrains.jps.incremental.storage.BuildTargetsState.getAverageBuildTime(BuildTargetsState.java:116)
	at org.jetbrains.jps.incremental.messages.BuildProgress.<init>(BuildProgress.java:73)
	at org.jetbrains.jps.incremental.IncProjectBuilder.runBuild(IncProjectBuilder.java:408)
	at org.jetbrains.jps.incremental.IncProjectBuilder.build(IncProjectBuilder.java:183)
	at org.jetbrains.jps.cmdline.BuildRunner.runBuild(BuildRunner.java:132)
	at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:302)
	at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:132)
	at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler.lambda$channelRead0$0(BuildMain.java:219)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

解决：

将idea文件删掉：

重新加载：

原理：

未知、