java.lang.NullPointerException: This exception has no message.

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NPE in FileInclusionManager

This exception has no message.

java.lang.NullPointerException: 	at com.ansorgit.plugins.bash.lang.psi.FileInclusionManager.findIncludedFiles(FileInclusionManager.java:69)	at com.ansorgit.plugins.bash.lang.psi.impl.BashElementSharedImpl.getElementUseScope(BashElementSharedImpl.java:46)	at com.ansorgit.plugins.bash.lang.psi.impl.BashBaseStubElementImpl.getUseScope(BashBaseStubElementImpl.java:71)	at com.intellij.psi.impl.search.PsiSearchHelperImpl.getUseScope(PsiSearchHelperImpl.java:77)	at com.intellij.psi.search.searches.ReferencesSearch$SearchParameters.getEffectiveSearchScope(ReferencesSearch.java:94)	at org.jetbrains.plugins.grails.spring.SpringBeanReferenceSearcher.processQuery(SpringBeanReferenceSearcher.java:39)	at org.jetbrains.plugins.grails.spring.SpringBeanReferenceSearcher.processQuery(SpringBeanReferenceSearcher.java:29)	at com.intellij.openapi.application.QueryExecutorBase$2.run(QueryExecutorBase.java:44)	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:893)	at com.intellij.openapi.application.QueryExecutorBase.execute(QueryExecutorBase.java:42)	at com.intellij.util.ExecutorsQuery.processResults(ExecutorsQuery.java:43)	at com.intellij.util.AbstractQuery.forEach(AbstractQuery.java:75)	at com.intellij.util.MergeQuery.processSubQuery(MergeQuery.java:84)	at com.intellij.util.MergeQuery.forEach(MergeQuery.java:56)	at com.intellij.util.UniqueResultsQuery.process(UniqueResultsQuery.java:66)	at com.intellij.util.UniqueResultsQuery.forEach(UniqueResultsQuery.java:56)	at com.intellij.util.UniqueResultsQuery.findAll(UniqueResultsQuery.java:78)	at com.intellij.codeInsight.daemon.impl.IdentifierHighlighterPass.getHighlightUsages(IdentifierHighlighterPass.java:133)	at com.intellij.codeInsight.daemon.impl.IdentifierHighlighterPass.a(IdentifierHighlighterPass.java:162)	at com.intellij.codeInsight.daemon.impl.IdentifierHighlighterPass.doCollectInformation(IdentifierHighlighterPass.java:101)	at com.intellij.codeHighlighting.TextEditorHighlightingPass.collectInformation(TextEditorHighlightingPass.java:62)	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass$1$1.run(PassExecutorService.java:438)	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1143)	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass$1.run(PassExecutorService.java:429)	at com.intellij.openapi.progress.impl.ProgressManagerImpl.a(ProgressManagerImpl.java:281)	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:233)	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.a(PassExecutorService.java:426)	at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.run(PassExecutorService.java:402)	at com.intellij.concurrency.JobLauncherImpl$VoidForkJoinTask.exec(JobLauncherImpl.java:202)	at jsr166e.ForkJoinTask.doExec(ForkJoinTask.java:260)	at jsr166e.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:858)	at jsr166e.ForkJoinPool.scan(ForkJoinPool.java:1687)	at jsr166e.ForkJoinPool.runWorker(ForkJoinPool.java:1642)	at jsr166e.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:109)