Elasticsearch Version

Serverless

Installed Plugins

No response

Java Version

bundled

OS Version

Serverless

Problem Description

java.lang.IllegalStateException: At least one unigram is required but all tokens were ngrams org.elasticsearch.server@9.2.0/org.elasticsearch.search.suggest.phrase.NoisyChannelSpellChecker$1.end(NoisyChannelSpellChecker.java:90) org.elasticsearch.server@9.2.0/org.elasticsearch.search.suggest.phrase.DirectCandidateGenerator.analyze(DirectCandidateGenerator.java:381) org.elasticsearch.server@9.2.0/org.elasticsearch.search.suggest.phrase.NoisyChannelSpellChecker.getCorrections(NoisyChannelSpellChecker.java:49) org.elasticsearch.server@9.2.0/org.elasticsearch.search.suggest.phrase.PhraseSuggester.innerExecute(PhraseSuggester.java:105) org.elasticsearch.server@9.2.0/org.elasticsearch.search.suggest.phrase.PhraseSuggester.innerExecute(PhraseSuggester.java:43) org.elasticsearch.server@9.2.0/org.elasticsearch.search.suggest.Suggester.execute(Suggester.java:43) org.elasticsearch.server@9.2.0/org.elasticsearch.search.suggest.SuggestPhase.execute(SuggestPhase.java:47) org.elasticsearch.server@9.2.0/org.elasticsearch.search.query.QueryPhase.executeQuery(QueryPhase.java:146) org.elasticsearch.server@9.2.0/org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:70) org.elasticsearch.server@9.2.0/org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:691) org.elasticsearch.server@9.2.0/org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:896) org.elasticsearch.server@9.2.0/org.elasticsearch.search.SearchService.lambda$executeQueryPhase$7(SearchService.java:729) org.elasticsearch.server@9.2.0/org.elasticsearch.action.ActionRunnable$3.accept(ActionRunnable.java:79) org.elasticsearch.server@9.2.0/org.elasticsearch.action.ActionRunnable$3.accept(ActionRunnable.java:76) org.elasticsearch.server@9.2.0/org.elasticsearch.action.ActionRunnable$4.doRun(ActionRunnable.java:101) org.elasticsearch.server@9.2.0/org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:27) org.elasticsearch.server@9.2.0/org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:35) org.elasticsearch.server@9.2.0/org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:1067) org.elasticsearch.server@9.2.0/org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:27) java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1095) java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:619) java.base/java.lang.Thread.run(Thread.java:1447)

Steps to Reproduce

N/A

Logs (if relevant)

No response