Fatal error: Uncaught Exception: /opt/mediawiki-1.34.0/extensions/Wikirouge/extension.json is not a valid JSON file. in /opt/mediawiki-1.34.0/includes/registration/ExtensionRegistry.php:283 Stack trace: #0 /opt/mediawiki-1.34.0/includes/registration/ExtensionRegistry.php(186): ExtensionRegistry->readFromQueue() #1 /opt/mediawiki-1.34.0/includes/Setup.php(143): ExtensionRegistry->loadFromQueue() #2 /opt/mediawiki-1.34.0/includes/WebStart.php(81): require_once('/opt/mediawiki-...') #3 /opt/mediawiki-1.34.0/index.php(41): require('/opt/mediawiki-...') #4 {main} thrown in /opt/mediawiki-1.34.0/includes/registration/ExtensionRegistry.php on line 283