Error just trying to type/write a .yml file

[AdamZWinter]

java.lang.NullPointerException at java.base/java.util.Objects.requireNonNull(Objects.java:208) at com.intellij.lang.impl.PsiBuilderImpl.createComposite(PsiBuilderImpl.java:1297) at com.intellij.lang.impl.PsiBuilderImpl.access$4000(PsiBuilderImpl.java:50) at com.intellij.lang.impl.PsiBuilderImpl$ASTConverter.apply(PsiBuilderImpl.java:1688) at com.intellij.lang.impl.PsiBuilderImpl$ConvertFromTokensToASTBuilder.nodeInserted(PsiBuilderImpl.java:973) at com.intellij.lang.impl.PsiBuilderImpl$ConvertFromTokensToASTBuilder.nodeInserted(PsiBuilderImpl.java:955) at com.intellij.util.diff.DiffTree.build(DiffTree.java:136) at com.intellij.util.diff.DiffTree.diff(DiffTree.java:44) at com.intellij.psi.impl.BlockSupportImpl.diffTrees(BlockSupportImpl.java:395) at com.intellij.lang.impl.PsiBuilderImpl.merge(PsiBuilderImpl.java:997) at com.intellij.lang.impl.PsiBuilderImpl.buildTree(PsiBuilderImpl.java:901) at com.intellij.lang.impl.PsiBuilderImpl.getTreeBuilt(PsiBuilderImpl.java:892) at lv.kid.vermut.intellij.yaml.parser.YamlPsiParser.parse(YamlPsiParser.java:50) at com.intellij.psi.tree.ILazyParseableElementType.doParseContents(ILazyParseableElementType.java:58) at com.intellij.psi.tree.IFileElementType.parseContents(IFileElementType.java:53) at com.intellij.psi.impl.source.tree.LazyParseableElement.lambda$ensureParsed$2(LazyParseableElement.java:175) at com.intellij.psi.impl.DebugUtil.performPsiModification(DebugUtil.java:481) at com.intellij.psi.impl.source.tree.LazyParseableElement.ensureParsed(LazyParseableElement.java:174) at com.intellij.psi.impl.source.tree.LazyParseableElement.getFirstChildNode(LazyParseableElement.java:226) at com.intellij.psi.impl.source.tree.LazyParseableElement.getFirstChildNode(LazyParseableElement.java:24) at com.intellij.psi.impl.BlockSupportImpl.isReplaceWholeNode(BlockSupportImpl.java:418) at com.intellij.psi.impl.BlockSupportImpl.mergeTrees(BlockSupportImpl.java:365) at com.intellij.psi.impl.BlockSupportImpl.makeFullParse(BlockSupportImpl.java:297) at com.intellij.psi.impl.BlockSupportImpl.reparse(BlockSupportImpl.java:92) at com.intellij.psi.impl.DocumentCommitThread.doCommit(DocumentCommitThread.java:261) at com.intellij.psi.impl.DocumentCommitThread.commitUnderProgress(DocumentCommitThread.java:128) at com.intellij.psi.impl.DocumentCommitThread.lambda$commitAsynchronously$0(DocumentCommitThread.java:78) at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.insideReadAction(NonBlockingReadActionImpl.java:536) at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$attemptComputation$3(NonBlockingReadActionImpl.java:501) at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1154) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runInReadActionWithWriteActionPriority$0(ProgressIndicatorUtils.java:75) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runActionAndCancelBeforeWrite(ProgressIndicatorUtils.java:158) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runWithWriteActionPriority$1(ProgressIndicatorUtils.java:115) at com.intellij.openapi.progress.ProgressManager.lambda$runProcess$0(ProgressManager.java:66) at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:188) at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$12(CoreProgressManager.java:608) at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:683) at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:639) at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:607) at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60) at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:175) at com.intellij.openapi.progress.ProgressManager.runProcess(ProgressManager.java:66) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runWithWriteActionPriority(ProgressIndicatorUtils.java:112) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runInReadActionWithWriteActionPriority(ProgressIndicatorUtils.java:75) at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.attemptComputation(NonBlockingReadActionImpl.java:501) at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$transferToBgThread$1(NonBlockingReadActionImpl.java:408) at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:241) at com.intellij.util.concurrency.BoundedTaskExecutor.access$200(BoundedTaskExecutor.java:31) at com.intellij.util.concurrency.BoundedTaskExecutor$1.execute(BoundedTaskExecutor.java:214) at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:212) at com.intellij.util.concurrency.BoundedTaskExecutor$1.run(BoundedTaskExecutor.java:203) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:702) at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:699) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:699) at java.base/java.lang.Thread.run(Thread.java:833)