NullPointer exception

[ekeyser]

java.lang.NullPointerException: Cannot invoke "java.util.List.get(int)" because "this.tokenElementTypes" is null
	at org.antlr.intellij.adaptor.lexer.ANTLRLexerAdaptor.getTokenType(ANTLRLexerAdaptor.java:188)
	at org.antlr.intellij.adaptor.lexer.ANTLRLexerAdaptor.getTokenType(ANTLRLexerAdaptor.java:178)
	at com.intellij.openapi.editor.ex.util.ValidatingLexerWrapper.getTokenType(ValidatingLexerWrapper.java:50)
	at com.intellij.openapi.editor.ex.util.LexerEditorHighlighter.doSetText(LexerEditorHighlighter.java:433)
	at com.intellij.openapi.editor.ex.util.LexerEditorHighlighter.setText(LexerEditorHighlighter.java:410)
	at com.intellij.openapi.fileEditor.impl.text.PsiAwareTextEditorProvider$createEditorBuilder$2$highlighterDeferred$1$1.invoke(PsiAwareTextEditorProvider.kt:73)
	at com.intellij.openapi.fileEditor.impl.text.PsiAwareTextEditorProvider$createEditorBuilder$2$highlighterDeferred$1$1.invoke(PsiAwareTextEditorProvider.kt:69)
	at com.intellij.openapi.application.rw.InternalReadAction.insideReadAction(InternalReadAction.kt:108)
	at com.intellij.openapi.application.rw.InternalReadAction.access$insideReadAction(InternalReadAction.kt:16)
	at com.intellij.openapi.application.rw.InternalReadAction$tryReadBlocking$2.invoke$lambda$0(InternalReadAction.kt:86)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1075)
	at com.intellij.openapi.application.rw.InternalReadAction$tryReadBlocking$2.invoke(InternalReadAction.kt:85)
	at com.intellij.openapi.application.rw.InternalReadAction$tryReadBlocking$2.invoke(InternalReadAction.kt:83)
	at com.intellij.openapi.progress.CoroutinesKt.blockingContextInner(coroutines.kt:321)
	at com.intellij.openapi.progress.CoroutinesKt.access$blockingContextInner(coroutines.kt:1)
	at com.intellij.openapi.progress.CoroutinesKt$blockingContext$2.invokeSuspend(coroutines.kt:198)
	at com.intellij.openapi.progress.CoroutinesKt$blockingContext$2.invoke(coroutines.kt)
	at com.intellij.openapi.progress.CoroutinesKt$blockingContext$2.invoke(coroutines.kt)
	at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturn(Undispatched.kt:78)
	at kotlinx.coroutines.CoroutineScopeKt.coroutineScope(CoroutineScope.kt:264)
	at com.intellij.openapi.progress.CoroutinesKt.blockingContext(coroutines.kt:197)
	at com.intellij.openapi.application.rw.InternalReadAction.tryReadBlocking(InternalReadAction.kt:83)
	at com.intellij.openapi.application.rw.InternalReadAction.tryReadAction(InternalReadAction.kt:75)
	at com.intellij.openapi.application.rw.InternalReadAction.readLoop(InternalReadAction.kt:65)
	at com.intellij.openapi.application.rw.InternalReadAction.access$readLoop(InternalReadAction.kt:16)
	at com.intellij.openapi.application.rw.InternalReadAction$runReadAction$4.invokeSuspend(InternalReadAction.kt:44)
	at com.intellij.openapi.application.rw.InternalReadAction$runReadAction$4.invoke(InternalReadAction.kt)
	at com.intellij.openapi.application.rw.InternalReadAction$runReadAction$4.invoke(InternalReadAction.kt)
	at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturn(Undispatched.kt:78)
	at kotlinx.coroutines.BuildersKt__Builders_commonKt.withContext(Builders.common.kt:167)
	at kotlinx.coroutines.BuildersKt.withContext(Unknown Source)
	at com.intellij.openapi.application.rw.InternalReadAction.runReadAction(InternalReadAction.kt:40)
	at com.intellij.openapi.application.rw.PlatformReadWriteActionSupport.executeReadAction(PlatformReadWriteActionSupport.kt:38)
	at com.intellij.openapi.application.ReadWriteActionSupport.executeReadAction$default(ReadWriteActionSupport.kt:15)
	at com.intellij.openapi.application.CoroutinesKt.constrainedReadActionBlocking(coroutines.kt:124)
	at com.intellij.openapi.application.CoroutinesKt.readActionBlocking(coroutines.kt:93)
	at com.intellij.openapi.fileEditor.impl.text.PsiAwareTextEditorProvider$createEditorBuilder$2$highlighterDeferred$1.invokeSuspend(PsiAwareTextEditorProvider.kt:69)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:108)
	at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:584)
	at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:793)
	at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:697)
	at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:684)