Fatal error: Uncaught exception 'Exception' with message 'VisualEditor is not compatible with the current MediaWiki core (version 1.26.4), it requires: >= 1.28.0.' in /webRoot/public_html/includes/registration/ExtensionRegistry.php:206 Stack trace: #0 /webRoot/public_html/includes/registration/ExtensionRegistry.php(127): ExtensionRegistry->readFromQueue(Array) #1 /webRoot/public_html/includes/Setup.php(39): ExtensionRegistry->loadFromQueue() #2 /webRoot/public_html/includes/WebStart.php(140): require_once('/webRoot/public...') #3 /webRoot/public_html/index.php(38): require('/webRoot/public...') #4 {main} thrown in /webRoot/public_html/includes/registration/ExtensionRegistry.php on line 206