Fatal error: Uncaught exception 'Exception' with message '/home/grahamphillips/public_html/mediawiki-1.28.2/extensions/OAuth/extension.json: unsupported manifest_version: 2' in /home/grahamphillips/public_html/mediawiki-1.28.2/includes/registration/ExtensionRegistry.php:196 Stack trace: #0 /home/grahamphillips/public_html/mediawiki-1.28.2/includes/registration/ExtensionRegistry.php(138): ExtensionRegistry->readFromQueue(Array) #1 /home/grahamphillips/public_html/mediawiki-1.28.2/includes/Setup.php(40): ExtensionRegistry->loadFromQueue() #2 /home/grahamphillips/public_html/mediawiki-1.28.2/includes/WebStart.php(137): require_once('/home/grahamphi...') #3 /home/grahamphillips/public_html/mediawiki-1.28.2/index.php(44): require('/home/grahamphi...') #4 {main} thrown in /home/grahamphillips/public_html/mediawiki-1.28.2/includes/registration/ExtensionRegistry.php on line 196