Fatal error: Uncaught exception 'Exception' with message '/home/grahamphillips/public_html/mediawiki-1.28.2/extensions/JSWikiGantt/extension.json does not exist!' in /home/grahamphillips/public_html/mediawiki-1.28.2/includes/registration/ExtensionRegistry.php:107 Stack trace: #0 /home/grahamphillips/public_html/mediawiki-1.28.2/includes/GlobalFunctions.php(116): ExtensionRegistry->queue('/home/grahamphi...') #1 /home/grahamphillips/public_html/mediawiki-1.28.2/LocalSettings.php(317): wfLoadExtension('JSWikiGantt') #2 /home/grahamphillips/public_html/mediawiki-1.28.2/includes/WebStart.php(124): 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 107