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java.lang.Throwable: 	at com.intellij.openapi.diagnostic.Logger.assertTrue(Logger.java:168)	at com.intellij.psi.impl.file.impl.FileManagerImpl.findDirectory(FileManagerImpl.java:424)	at com.intellij.psi.impl.PsiManagerImpl.findDirectory(PsiManagerImpl.java:195)	at com.intellij.psi.impl.PsiElementFinderImpl$2.processInReadAction(PsiElementFinderImpl.java:173)	at com.intellij.psi.impl.PsiElementFinderImpl$2.processInReadAction(PsiElementFinderImpl.java:169)	at com.intellij.openapi.application.ReadActionProcessor$1.compute(ReadActionProcessor.java:32)	at com.intellij.openapi.application.ReadActionProcessor$1.compute(ReadActionProcessor.java:29)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceApplication.a(UpsourceApplication.java:103)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceLocksManager.runAction(UpsourceLocksManager.java:306)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceLocksManager.runAction(UpsourceLocksManager.java:280)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceApplication.runReadAction(UpsourceApplication.java:101)	at com.intellij.openapi.application.ReadActionProcessor.process(ReadActionProcessor.java:29)	at com.intellij.util.containers.ContainerUtil.process(ContainerUtil.java:814)	at com.intellij.util.CollectionQuery.forEach(CollectionQuery.java:51)	at com.intellij.psi.impl.PsiElementFinderImpl.processPackageDirectories(PsiElementFinderImpl.java:169)	at com.intellij.psi.impl.JavaPsiFacadeImpl.processPackageDirectories(JavaPsiFacadeImpl.java:337)	at com.intellij.psi.impl.file.PsiPackageImpl$1.compute(PsiPackageImpl.java:90)	at com.intellij.psi.impl.PsiCachedValueImpl.doCompute(PsiCachedValueImpl.java:49)	at com.intellij.util.CachedValueBase.getValueWithLock(CachedValueBase.java:222)	at com.intellij.psi.impl.PsiCachedValue.getValueWithLock(PsiCachedValue.java:65)	at com.intellij.psi.impl.PsiCachedValueImpl.getValue(PsiCachedValueImpl.java:38)	at com.intellij.psi.impl.file.PsiPackageImpl.getAllDirectories(PsiPackageImpl.java:79)	at com.intellij.psi.impl.file.PsiPackageBase.getAllDirectories(PsiPackageBase.java:48)	at com.intellij.psi.impl.file.PsiPackageBase.getDirectories(PsiPackageBase.java:80)	at com.intellij.psi.impl.file.PsiPackageImpl$PackageAnnotationValueProvider.compute(PsiPackageImpl.java:398)	at com.intellij.psi.impl.PsiCachedValueImpl.doCompute(PsiCachedValueImpl.java:49)	at com.intellij.util.CachedValueBase.getValueWithLock(CachedValueBase.java:222)	at com.intellij.psi.impl.PsiCachedValue.getValueWithLock(PsiCachedValue.java:65)	at com.intellij.psi.impl.PsiCachedValueImpl.getValue(PsiCachedValueImpl.java:38)	at com.intellij.psi.impl.file.PsiPackageImpl.getAnnotationList(PsiPackageImpl.java:176)	at com.intellij.psi.impl.file.PsiPackageImpl.getModifierList(PsiPackageImpl.java:417)	at com.intellij.codeInsight.NullableNotNullManager.getNullabilityDefault(NullableNotNullManager.java:298)	at com.intellij.codeInsight.NullableNotNullManager.findNullabilityDefaultInHierarchy(NullableNotNullManager.java:289)	at com.intellij.codeInsight.NullableNotNullManager.findNullabilityAnnotationWithDefault(NullableNotNullManager.java:230)	at com.intellij.codeInsight.NullableNotNullManager.isNullable(NullableNotNullManager.java:266)	at com.intellij.codeInsight.NullableNotNullManager.isNullable(NullableNotNullManager.java:390)	at com.intellij.codeInspection.dataFlow.DfaPsiUtil.getElementNullability(DfaPsiUtil.java:94)	at com.intellij.codeInspection.dataFlow.value.DfaVariableValue.a(DfaVariableValue.java:174)	at com.intellij.codeInspection.dataFlow.value.DfaVariableValue.getInherentNullability(DfaVariableValue.java:168)	at com.intellij.codeInspection.dataFlow.StandardInstructionVisitor.visitAssign(StandardInstructionVisitor.java:71)	at com.intellij.codeInspection.dataFlow.instructions.AssignInstruction.accept(AssignInstruction.java:47)	at com.intellij.codeInspection.dataFlow.DataFlowRunner.acceptInstruction(DataFlowRunner.java:286)	at com.intellij.codeInspection.dataFlow.DataFlowRunner.analyzeMethod(DataFlowRunner.java:186)	at com.intellij.codeInspection.dataFlow.DataFlowInspectionBase.a(DataFlowInspectionBase.java:198)	at com.intellij.codeInspection.dataFlow.DataFlowInspectionBase.a(DataFlowInspectionBase.java:154)	at com.intellij.codeInspection.dataFlow.DataFlowInspectionBase.access$000(DataFlowInspectionBase.java:65)	at com.intellij.codeInspection.dataFlow.DataFlowInspectionBase$1.visitMethod(DataFlowInspectionBase.java:105)	at com.intellij.psi.impl.source.PsiMethodImpl.accept(PsiMethodImpl.java:283)	at com.intellij.codeInspection.InspectionEngine.acceptElements(InspectionEngine.java:81)	at com.intellij.codeInspection.InspectionEngine.createVisitorAndAcceptElements(InspectionEngine.java:69)	at com.intellij.codeInspection.InspectionEngine.a(InspectionEngine.java:150)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceJobLauncher.invokeConcurrentlyUnderProgress(UpsourceJobLauncher.java:61)	at com.intellij.concurrency.JobLauncher.invokeConcurrentlyUnderProgress(JobLauncher.java:57)	at com.intellij.codeInspection.InspectionEngine.inspectElements(InspectionEngine.java:163)	at com.intellij.codeInspection.InspectionEngine.inspectEx(InspectionEngine.java:126)	at com.jetbrains.upsource.psi.impl.intellij.inspections.InspectionsRunner.runInspections(InspectionsRunner.kt:78)	at com.jetbrains.upsource.psi.impl.FilePsiServices$getInspectionMarkup$1$build$$inlined$runReadAction$1.compute(actions.kt:50)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceApplication.a(UpsourceApplication.java:103)	at __.read_lock_IDEA_communityx3d14836e353bec678145add9c1873f1bb91c1cc1.__(JavaGeneratorTemplate.java:52)	at org.jonnyzzz.stack.NamedStackFrame.frame(NamedStackFrame.java:59)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceLocksManager.runAction(UpsourceLocksManager.java:309)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceLocksManager.runAction(UpsourceLocksManager.java:280)	at com.jetbrains.upsource.psi.impl.intellij.UpsourceApplication.runReadAction(UpsourceApplication.java:101)	at com.jetbrains.upsource.psi.impl.FilePsiServices$getInspectionMarkup$1.build(FilePsiServices.kt:566)	at com.jetbrains.upsource.psi.impl.FilePsiServices$getInspectionMarkup$1.build(FilePsiServices.kt:464)	at com.jetbrains.upsource.psi.impl.FilePsiServices.a(FilePsiServices.kt:508)	at com.jetbrains.upsource.psi.impl.FilePsiServices.getInspectionMarkup(FilePsiServices.kt:464)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue$preComputePsi$$inlined$use$lambda$1.run(PsiIndexerQueue.kt:181)	at __.project_IDEA.__(JavaGeneratorTemplate.java:44)	at org.jonnyzzz.stack.NamedStackFrame.frame(NamedStackFrame.java:48)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue.a(PsiIndexerQueue.kt:158)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue.access$preComputePsi(PsiIndexerQueue.kt:27)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue$PreComputePsiTask$doIndex$1.invoke(PsiIndexerQueue.kt:202)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue$PreComputePsiTask$doIndex$1.invoke(PsiIndexerQueue.kt:201)	at com.jetbrains.upsource.psi.impl.PsiServicesFactory.with(PsiServicesFactory.kt:62)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue$PreComputePsiTask.doIndex(PsiIndexerQueue.kt:202)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue.a(PsiIndexerQueue.kt:126)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue.access$loop(PsiIndexerQueue.kt:27)	at com.jetbrains.upsource.psi.impl.PsiIndexerQueue$thread$1.run(PsiIndexerQueue.kt:43)	at java.lang.Thread.run(Thread.java:744)