Please provide steps to reproduce the error.

• Type *.wikioasis.org in the address bar of your browser.
• Hit Enter.

What happened that shouldn't have?
WikiOasis wikis should load properly.

What should have happened?
The following error message appears when opening any WikiOasis wiki:
Fatal error: Uncaught TypeError: MirahezeFunctions::getCacheArray(): Return value must be of type array, bool returned in /var/www/mediawiki/config/MirahezeFunctions.php:524 Stack trace: #0 /var/www/mediawiki/config/MirahezeFunctions.php(770): MirahezeFunctions::getCacheArray() #1 /var/www/mediawiki/config/ManageWikiExtensions.php(85): MirahezeFunctions->getSettingValue() #2 /var/www/mediawiki/config/LocalSettings.php(1816): require_once('...') #3 /var/www/mediawiki/LocalSettings.php(3): require_once('...') #4 /var/www/mediawiki/includes/Setup.php(220): require_once('...') #5 /var/www/mediawiki/includes/WebStart.php(85): require_once('...') #6 /var/www/mediawiki/index.php(50): require('...') #7 {main} thrown in /var/www/mediawiki/config/MirahezeFunctions.php on line 524

Provide a link to Special:Version for the site you're experiencing this on.