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

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java.lang.NullPointerException:
at com.ansorgit.plugins.bash.lang.parser.util.ForwardingMarker.drop(ForwardingMarker.java:63)
at com.ansorgit.plugins.bash.lang.parser.misc.RedirectionParsing.parseSingleRedirect(RedirectionParsing.java:113)
at com.ansorgit.plugins.bash.lang.parser.misc.RedirectionParsing.isRedirect(RedirectionParsing.java:77)
at com.ansorgit.plugins.bash.lang.parser.command.CommandParsingUtil.isAssignmentOrRedirect(CommandParsingUtil.java:121)
at com.ansorgit.plugins.bash.lang.parser.builtin.AbstractVariableDefParsing.isValid(AbstractVariableDefParsing.java:71)
at com.ansorgit.plugins.bash.lang.parser.ParsingChain.isValid(ParsingChain.java:46)
at com.ansorgit.plugins.bash.lang.parser.ParsingChain.parse(ParsingChain.java:57)
at com.ansorgit.plugins.bash.lang.parser.command.PipelineParsing.parsePipleline(PipelineParsing.java:171)
at com.ansorgit.plugins.bash.lang.parser.command.PipelineParsing.parsePipelineCommand(PipelineParsing.java:136)
at com.ansorgit.plugins.bash.lang.parser.misc.ListParsing.parseList1(ListParsing.java:138)
at com.ansorgit.plugins.bash.lang.parser.misc.ListParsing.parseSimpleList1(ListParsing.java:244)
at com.ansorgit.plugins.bash.lang.parser.misc.ListParsing.parseSimpleList(ListParsing.java:220)
at com.ansorgit.plugins.bash.lang.parser.FileParsing.parseFile(FileParsing.java:50)
at com.ansorgit.plugins.bash.lang.parser.BashParser.parse(BashParser.java:64)
at com.intellij.psi.tree.ILazyParseableElementType.doParseContents(ILazyParseableElementType.java:64)
at com.intellij.psi.tree.IFileElementType.parseContents(IFileElementType.java:43)
at com.intellij.psi.impl.source.tree.LazyParseableElement.f(LazyParseableElement.java:172)
at com.intellij.psi.impl.source.tree.LazyParseableElement.getFirstChildNode(LazyParseableElement.java:212)
at com.ansorgit.plugins.bash.editor.codefolding.BashFoldingBuilder.appendDescriptors(BashFoldingBuilder.java:63)
at com.ansorgit.plugins.bash.editor.codefolding.BashFoldingBuilder.buildFoldRegions(BashFoldingBuilder.java:42)
at com.intellij.lang.folding.LanguageFolding.buildFoldingDescriptors(LanguageFolding.java:90)
at com.intellij.codeInsight.folding.impl.FoldingUpdate.a(FoldingUpdate.java:205)
at com.intellij.codeInsight.folding.impl.FoldingUpdate.a(FoldingUpdate.java:118)
at com.intellij.codeInsight.folding.impl.FoldingUpdate.updateFoldRegions(FoldingUpdate.java:96)
at com.intellij.codeInsight.folding.impl.CodeFoldingManagerImpl.a(CodeFoldingManagerImpl.java:303)
at com.intellij.codeInsight.folding.impl.CodeFoldingManagerImpl.buildInitialFoldings(CodeFoldingManagerImpl.java:219)
at com.intellij.openapi.fileEditor.impl.text.PsiAwareTextEditorImpl.initFolding(PsiAwareTextEditorImpl.java:49)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl.openFileImpl4(FileEditorManagerImpl.java:806)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl.openFileImpl3(FileEditorManagerImpl.java:738)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl$8.run(FileEditorManagerImpl.java:718)
at com.intellij.openapi.command.impl.CommandProcessorImpl.executeCommand(CommandProcessorImpl.java:124)
at com.intellij.openapi.command.impl.CommandProcessorImpl.executeCommand(CommandProcessorImpl.java:99)
at com.intellij.openapi.command.impl.CommandProcessorImpl.executeCommand(CommandProcessorImpl.java:85)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl.openFileImpl2(FileEditorManagerImpl.java:715)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl.openFileWithProviders(FileEditorManagerImpl.java:652)
at com.intellij.openapi.fileEditor.ex.FileEditorManagerEx.openFile(FileEditorManagerEx.java:139)
at com.intellij.codeInsight.navigation.NavigationUtil.a(NavigationUtil.java:169)
at com.intellij.codeInsight.navigation.NavigationUtil.openFileWithPsiElement(NavigationUtil.java:144)
at com.intellij.ide.projectView.impl.nodes.AbstractPsiBasedNode.navigate(AbstractPsiBasedNode.java:207)
at com.intellij.util.OpenSourceUtil.navigate(OpenSourceUtil.java:63)
at com.intellij.ui.AutoScrollToSourceHandler$11.run(AutoScrollToSourceHandler.java:212)
at com.intellij.openapi.util.ExecutionCallback.setExecuted(ExecutionCallback.java:58)
at com.intellij.openapi.util.ActionCallback.setDone(ActionCallback.java:69)
at com.intellij.openapi.util.ActionCallback$3.run(ActionCallback.java:225)
at com.intellij.openapi.util.ExecutionCallback.doWhenExecuted(ExecutionCallback.java:100)
at com.intellij.openapi.util.ActionCallback.doWhenDone(ActionCallback.java:108)
at com.intellij.openapi.util.ActionCallback.notify(ActionCallback.java:153)
at com.intellij.openapi.wm.impl.ToolWindowImpl$4$1$1.run(ToolWindowImpl.java:172)
at com.intellij.openapi.wm.impl.FocusManagerImpl.a(FocusManagerImpl.java:651)
at com.intellij.openapi.wm.impl.FocusManagerImpl.g(FocusManagerImpl.java:632)
at com.intellij.openapi.wm.impl.FocusManagerImpl.e(FocusManagerImpl.java:602)
at com.intellij.openapi.wm.impl.FocusManagerImpl.access$200(FocusManagerImpl.java:60)
at com.intellij.openapi.wm.impl.FocusManagerImpl$7.run(FocusManagerImpl.java:498)
at com.intellij.util.ui.UIUtil.invokeLaterIfNeeded(UIUtil.java:2057)
at com.intellij.openapi.wm.impl.FocusManagerImpl.doWhenFocusSettlesDown(FocusManagerImpl.java:476)
at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.doWhenFocusSettlesDown(IdeFocusManagerImpl.java:59)
at com.intellij.openapi.wm.impl.ToolWindowImpl$4$1.run(ToolWindowImpl.java:168)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:715)
at java.awt.EventQueue.access$400(EventQueue.java:82)
at java.awt.EventQueue$2.run(EventQueue.java:676)
at java.awt.EventQueue$2.run(EventQueue.java:674)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:86)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:685)
at com.intellij.ide.IdeEventQueue.e(IdeEventQueue.java:697)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:524)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

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