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Fatal error: Uncaught Exception: /home/gamersto/mediawiki/extensions/ParserFunctions/extension.json is not a valid JSON file. in /home/gamersto/mediawiki/includes/registration/ExtensionRegistry.php:394 Stack trace: #0 /home/gamersto/mediawiki/includes/registration/ExtensionRegistry.php(276): ExtensionRegistry->readFromQueue(Array) #1 /home/gamersto/mediawiki/includes/Setup.php(278): ExtensionRegistry->loadFromQueue() #2 /home/gamersto/mediawiki/includes/WebStart.php(86): require_once('/home/gamersto/...') #3 /home/gamersto/mediawiki/index.php(44): require('/home/gamersto/...') #4 {main} thrown in /home/gamersto/mediawiki/includes/registration/ExtensionRegistry.php on line 394