When I search for Lexeme:Danke from the Search box in Wikidata (upper right corner) I get the message
[XYqWIwpAADoAAJk2AOEAAABL] 2019-09-24 22:18:11: Fatal exception of type "Error"
The time and the code in the beginning change from request to request.
```
exception.file /srv/mediawiki/php-1.34.0-wmf.23/extensions/WikibaseLexemeCirrusSearch/src/LexemeResult.php:57
exception.message Call to a member function setFragment() on null
exception.trace
#0 /srv/mediawiki/php-1.34.0-wmf.23/extensions/WikibaseLexemeCirrusSearch/src/LexemeResultSet.php(72): Wikibase\Lexeme\Search\Elastic\LexemeResult->__construct(LanguageEn, Wikibase\Lexeme\DataAccess\LexemeDescription, array)
#1 /srv/mediawiki/php-1.34.0-wmf.23/extensions/CirrusSearch/includes/Search/BaseCirrusSearchResultSet.php(162): Wikibase\Lexeme\Search\Elastic\LexemeResultSet->transformOneResult(Elastica\Result)
#2 /srv/mediawiki/php-1.34.0-wmf.23/includes/search/SearchResultSetTrait.php(58): CirrusSearch\Search\BaseCirrusSearchResultSet->extractResults()
#3 /srv/mediawiki/php-1.34.0-wmf.23/extensions/CirrusSearch/includes/RequestLogger.php(374): CirrusSearch\Search\BaseCirrusSearchResultSet->getIterator()
#4 /srv/mediawiki/php-1.34.0-wmf.23/extensions/CirrusSearch/includes/RequestLogger.php(181): CirrusSearch\RequestLogger->extractTitleStrings(Wikibase\Lexeme\Search\Elastic\LexemeResultSet)
#5 /srv/mediawiki/php-1.34.0-wmf.23/extensions/CirrusSearch/includes/ElasticsearchIntermediary.php(118): CirrusSearch\RequestLogger->setResultPages(array)
#6 /srv/mediawiki/php-1.34.0-wmf.23/extensions/CirrusSearch/includes/CirrusSearch.php(205): CirrusSearch\ElasticsearchIntermediary::setResultPages(array)
#7 /srv/mediawiki/php-1.34.0-wmf.23/includes/search/SearchEngine.php(86): CirrusSearch\CirrusSearch->doSearchText(string)
#8 /srv/mediawiki/php-1.34.0-wmf.23/includes/search/SearchEngine.php(172): SearchEngine->{closure}()
#9 /srv/mediawiki/php-1.34.0-wmf.23/includes/search/SearchEngine.php(87): SearchEngine->maybePaginate(Closure)
#10 /srv/mediawiki/php-1.34.0-wmf.23/includes/specials/SpecialSearch.php(356): SearchEngine->searchText(string)
#11 /srv/mediawiki/php-1.34.0-wmf.23/includes/specials/SpecialSearch.php(179): SpecialSearch->showResults(string)
#12 /srv/mediawiki/php-1.34.0-wmf.23/includes/specialpage/SpecialPage.php(575): SpecialSearch->execute(NULL)
#13 /srv/mediawiki/php-1.34.0-wmf.23/includes/specialpage/SpecialPageFactory.php(611): SpecialPage->run(NULL)
#14 /srv/mediawiki/php-1.34.0-wmf.23/includes/MediaWiki.php(296): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#15 /srv/mediawiki/php-1.34.0-wmf.23/includes/MediaWiki.php(892): MediaWiki->performRequest()
#16 /srv/mediawiki/php-1.34.0-wmf.23/includes/MediaWiki.php(523): MediaWiki->main()
#17 /srv/mediawiki/php-1.34.0-wmf.23/index.php(44): MediaWiki->run()
#18 /srv/mediawiki/w/index.php(3): require(string)
#19 {main}
```