Hello,
I have MediaWiki 1.35.0, PHP 7.3.21, CategorySuggest 1.9
This extension is not working, I get a console error related to URL index.php?action=ajax&rs=fnCategorySuggestAjax&rsargs%5B%5D=abc
and it tells:
Internal Error: Invalid server index index #DB_SLAVE
Any idea what cen be wrong?