Reentrant indexing error

Getting following error in Idea 2019.2.1 on every reindex, on different units:

Error while indexing C:\lazarus\fpc\3.0.4\units\x86_64-win64\rtl-console\crt.ppu To reindex this file IDEA has to be restarted

com.google.common.util.concurrent.ExecutionError: java.lang.AssertionError: Reentrant indexing at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2048) at com.google.common.cache.LocalCache.get(LocalCache.java:3951) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3973) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4957) at com.siberika.idea.pascal.lang.compiled.PPUDecompilerCache.getContents(PPUDecompilerCache.java:165) at com.siberika.idea.pascal.lang.compiled.PPUDecompilerCache.decompile(PPUDecompilerCache.java:67) at com.siberika.idea.pascal.lang.compiled.PPUFileDecompiler.decompileText(PPUFileDecompiler.java:34) at com.siberika.idea.pascal.lang.compiled.PPUFileDecompiler.decompile(PPUFileDecompiler.java:26) at com.intellij.openapi.fileEditor.impl.LoadTextUtil.loadText(LoadTextUtil.java:492) at com.intellij.openapi.fileEditor.impl.FileDocumentManagerImpl.getDocument(FileDocumentManagerImpl.java:187) at com.intellij.psi.AbstractFileViewProvider.getDocument(AbstractFileViewProvider.java:197) at com.intellij.psi.AbstractFileViewProvider$VirtualFileContent.getText(AbstractFileViewProvider.java:479) at com.intellij.psi.AbstractFileViewProvider.getContents(AbstractFileViewProvider.java:177) at com.intellij.psi.impl.source.PsiFileImpl.loadTreeElement(PsiFileImpl.java:208) at com.intellij.psi.impl.source.PsiFileImpl.calcTreeElement(PsiFileImpl.java:712) at com.intellij.psi.impl.source.PsiFileImpl.calcStubTree(PsiFileImpl.java:940) at com.siberika.idea.pascal.lang.compiled.PascalCompiledStubBuilder.buildFileStub(PascalCompiledStubBuilder.java:35) at com.intellij.psi.impl.compiled.ClassFileStubBuilder.buildStubTree(ClassFileStubBuilder.java:45) at com.intellij.psi.impl.compiled.ClassFileStubBuilder.buildStubTree(ClassFileStubBuilder.java:25) at com.intellij.psi.stubs.StubTreeBuilder.buildStubTree(StubTreeBuilder.java:61) at com.intellij.psi.stubs.StubUpdatingIndex$2.lambda$computeValue$0(StubUpdatingIndex.java:130) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:932) at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:57) at com.intellij.psi.stubs.StubUpdatingIndex$2.computeValue(StubUpdatingIndex.java:112) at com.intellij.psi.stubs.StubUpdatingIndex$2.computeValue(StubUpdatingIndex.java:108) at com.intellij.util.indexing.SingleEntryIndexer.map(SingleEntryIndexer.java:40) at com.intellij.util.indexing.SingleEntryIndexer.map(SingleEntryIndexer.java:30) at com.intellij.util.indexing.impl.MapReduceIndex.mapInput(MapReduceIndex.java:312) at com.intellij.util.indexing.VfsAwareMapReduceIndex.mapInput(VfsAwareMapReduceIndex.java:109) at com.intellij.util.indexing.impl.MapReduceIndex.calculateUpdateData(MapReduceIndex.java:268) at com.intellij.util.indexing.impl.MapReduceIndex.update(MapReduceIndex.java:250) at com.intellij.util.indexing.FileBasedIndexImpl.updateSingleIndex(FileBasedIndexImpl.java:1673) at com.intellij.util.indexing.FileBasedIndexImpl.lambda$doIndexFileContent$28(FileBasedIndexImpl.java:1603) at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.freezeFileTypeTemporarilyIn(FileTypeManagerImpl.java:656) at com.intellij.util.indexing.FileBasedIndexImpl.doIndexFileContent(FileBasedIndexImpl.java:1562) at com.intellij.util.indexing.FileBasedIndexImpl.indexFileContent(FileBasedIndexImpl.java:1549) at com.intellij.util.indexing.UnindexedFilesUpdater.lambda$indexFiles$0(UnindexedFilesUpdater.java:109) at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable.lambda$run$0(CacheUpdateRunner.java:219) at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1106) at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable.lambda$run$1(CacheUpdateRunner.java:235) at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:169) at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:591) at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:537) at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:59) at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:156) at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable.run(CacheUpdateRunner.java:232) at com.intellij.openapi.application.impl.ApplicationImpl$1.run(ApplicationImpl.java:294) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: java.lang.AssertionError: Reentrant indexing at com.intellij.util.indexing.FileBasedIndexImpl.updateSingleIndex(FileBasedIndexImpl.java:1667) at com.intellij.util.indexing.FileBasedIndexImpl.doInvalidateIndicesForFile(FileBasedIndexImpl.java:1799) at com.intellij.util.indexing.FileBasedIndexImpl.access$2600(FileBasedIndexImpl.java:99) at com.intellij.util.indexing.FileBasedIndexImpl$ChangedFilesCollector.lambda$null$1(FileBasedIndexImpl.java:2036) at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:591) at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:537) at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:59) at com.intellij.openapi.progress.impl.CoreProgressManager.executeNonCancelableSection(CoreProgressManager.java:197) at com.intellij.util.indexing.FileBasedIndexImpl$ChangedFilesCollector.lambda$null$2(FileBasedIndexImpl.java:2030) at com.intellij.util.ConcurrencyUtil.withLock(ConcurrencyUtil.java:229) at com.intellij.util.indexing.FileBasedIndexImpl$ChangedFilesCollector.lambda$processFilesInReadAction$3(FileBasedIndexImpl.java:2028) at com.intellij.util.indexing.VfsEventsMerger.processChanges(VfsEventsMerger.java:95) at com.intellij.util.indexing.FileBasedIndexImpl$ChangedFilesCollector.processFilesInReadAction(FileBasedIndexImpl.java:2027) at com.intellij.util.indexing.FileBasedIndexImpl$ChangedFilesCollector.ensureUpToDate(FileBasedIndexImpl.java:1980) at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:710) at com.intellij.util.indexing.FileBasedIndexImpl.processExceptions(FileBasedIndexImpl.java:892) at com.intellij.util.indexing.FileBasedIndexImpl.processValueIterator(FileBasedIndexImpl.java:968) at com.intellij.util.indexing.FileBasedIndexImpl.processValuesInScope(FileBasedIndexImpl.java:939) at com.intellij.util.indexing.FileBasedIndexImpl.getContainingFiles(FileBasedIndexImpl.java:811) at com.siberika.idea.pascal.util.ModuleUtil$2.compute(ModuleUtil.java:101) at com.siberika.idea.pascal.util.ModuleUtil$2.compute(ModuleUtil.java:97) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:918) at com.siberika.idea.pascal.util.ModuleUtil.getCompiledByNameNoCase(ModuleUtil.java:97) at com.siberika.idea.pascal.lang.compiled.PPUDecompilerCache.retrieveXml(PPUDecompilerCache.java:111) at com.siberika.idea.pascal.lang.compiled.PPUDecompilerCache$Loader.load(PPUDecompilerCache.java:78) at com.siberika.idea.pascal.lang.compiled.PPUDecompilerCache$Loader.load(PPUDecompilerCache.java:71) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2276) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2154) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2044) ... 51 more

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