On Beta Cluster Search suggestions are not displayed Search field.
```
GET http://en.wikipedia.beta.wmflabs.org/w/api.php?action=opensearch&format=json&search=Talk%3AET&namespace=0&limit=10&suggest=true 503
(Service Unavailable)jQuery.ajaxTransport.options.send @ load.php?
debug=false&lang=en&modules=jquery%2Cmediawiki&only=scripts&skin=vector&version=HslbnM5S:140jQuery.extend.ajax @ load.php?
debug=false&lang=en&modules=jquery%2Cmediawiki&only=scripts&skin=vector&version=HslbnM5S:13
4mw.loader.implement.mw.Api.ajax @ VM5414:36mw.loader.implement.mw.Api.get @
VM5414:35mw.loader.implement.mw.searchSuggest.request @
VM5417:373mw.loader.implement.$.suggestions.fetch @ VM5417:376maybeFetch @ VM5417:363
```
https://logstash-beta.wmflabs.org/#/dashboard/elasticsearch/fatalmonitor displays
Fatal error: Invalid operand type was used: cannot perform this operation with arrays in /srv/mediawiki/php-master/extensions/PageImages/ApiQueryPageImages.php on line 39