We just upgraded from Mediawiki 1.36 to 1.38. Anisa is having a little trouble under 1.38:
Deprecated: Use of BaseTemplate::getAfterPortlet was deprecated in MediaWiki 1.35. [Called from AnisaTemplate::getPortlet in /var/www/html/w/skins/Anisa/includes/AnisaTemplate.php at line 492] in /var/www/html/w/includes/debug/MWDebug.php on line 377