Error opening project

[sblundy]

Received an error balloon with this stack-trace. Project didn't have any .elv files

java.lang.NullPointerException: s.chunk must not be null
	at com.github.sblundy.elvish.psi.ElvishVariableAssignmentReference$VariableFinder.visitChunkBlock(ElvishVariableAssignmentReference.kt:73)
	at com.github.sblundy.elvish.psi.ElvishBlockClimber.visitIfBlock(ElvishBlockClimber.kt:68)
	at com.github.sblundy.elvish.psi.ElvishBlockClimber.visitType(ElvishBlockClimber.kt:25)
	at com.github.sblundy.elvish.psi.ElvishBlockClimber.climb(ElvishBlockClimber.kt:11)
	at com.github.sblundy.elvish.psi.ElvishVariableAssignmentReference.multiResolve(ElvishVariableAssignmentReference.kt:22)
	at com.github.sblundy.elvish.psi.ElvishVariableAssignmentReference.resolve(ElvishVariableAssignmentReference.kt:15)
	at com.intellij.codeInsight.TargetElementUtilBase.getReferencedElement(TargetElementUtilBase.java:177)
	at com.intellij.codeInsight.TargetElementUtilBase.doGetReferenceOrReferencedElement(TargetElementUtilBase.java:165)
	at com.intellij.codeInsight.TargetElementUtilBase.getReferenceOrReferencedElement(TargetElementUtilBase.java:204)
	at com.intellij.codeInsight.TargetElementUtilBase.getReferencedElement(TargetElementUtilBase.java:248)
	at com.intellij.codeInsight.TargetElementUtilBase.doFindTargetElement(TargetElementUtilBase.java:227)
	at com.intellij.codeInsight.TargetElementUtilBase.findTargetElement(TargetElementUtilBase.java:292)
	at com.intellij.codeInsight.TargetElementUtil.findTargetElement(TargetElementUtil.java:147)
	at com.intellij.model.psi.impl.TargetsKt.fromTargetEvaluator(targets.kt:174)
	at com.intellij.model.psi.impl.TargetsKt.declarationsOrReferences(targets.kt:135)
	at com.intellij.model.psi.impl.TargetsKt.declaredReferencedData(targets.kt:40)
	at com.intellij.model.psi.impl.TargetsKt.targetSymbols(targets.kt:22)
	at com.intellij.codeInsight.daemon.impl.IdentifierHighlighterPass.getTargetSymbols(IdentifierHighlighterPass.java:194)
	at com.intellij.codeInsight.daemon.impl.IdentifierHighlighterPass.highlightReferencesAndDeclarations(IdentifierHighlighterPass.java:186)
	at com.intellij.codeInsight.daemon.impl.IdentifierHighlighterPass.doCollectInformation(IdentifierHighlighterPass.java:91)
	at com.intellij.codeInsight.highlighting.BackgroundHighlighter.lambda$updateHighlighted$1(BackgroundHighlighter.java:150)
	at com.intellij.codeInsight.highlighting.BackgroundHighlightingUtil.lambda$lookForInjectedFileInOtherThread$0(BackgroundHighlightingUtil.java:54)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.insideReadAction(NonBlockingReadActionImpl.java:521)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$attemptComputation$3(NonBlockingReadActionImpl.java:486)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1078)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runInReadActionWithWriteActionPriority$0(ProgressIndicatorUtils.java:78)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runActionAndCancelBeforeWrite(ProgressIndicatorUtils.java:161)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runWithWriteActionPriority$1(ProgressIndicatorUtils.java:118)
	at com.intellij.openapi.progress.ProgressManager.lambda$runProcess$0(ProgressManager.java:57)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:183)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:705)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:647)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:63)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:170)
	at com.intellij.openapi.progress.ProgressManager.runProcess(ProgressManager.java:57)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runWithWriteActionPriority(ProgressIndicatorUtils.java:115)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runInReadActionWithWriteActionPriority(ProgressIndicatorUtils.java:78)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.attemptComputation(NonBlockingReadActionImpl.java:486)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$transferToBgThread$1(NonBlockingReadActionImpl.java:407)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:668)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:665)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:665)
	at java.base/java.lang.Thread.run(Thread.java:829)