java.lang.NullPointerException

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  • java.lang.NullPointerException at org.eclipse.xtext.ide.server.LanguageServerImpl.translateKind(LanguageServerImpl.java:466) at org.eclipse.xtext.ide.server.LanguageServerImpl.toCompletionItem(LanguageServerImpl.java:458) at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$null$39(LanguageServerImpl.java:433) at org.eclipse.xtext.xbase.lib.internal.FunctionDelegate.apply(FunctionDelegate.java:42) at com.google.common.collect.Iterators$8.transform(Iterators.java:817) at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48) at com.google.common.collect.Iterators.addAll(Iterators.java:365) at com.google.common.collect.Lists.newArrayList(Lists.java:162) at com.google.common.collect.Lists.newArrayList(Lists.java:146) at org.eclipse.xtext.xbase.lib.IterableExtensions.toList(IterableExtensions.java:555) at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$completion$40(LanguageServerImpl.java:436) at org.eclipse.xtext.ide.server.concurrent.RequestManager.lambda$runRead$53(RequestManager.java:129) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
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