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Fatal error: Uncaught Exception: /var/www/w/extensions/AbcHover/extension.json is not a valid JSON file. in /var/www/w/includes/registration/ExtensionRegistry.php:400 Stack trace: #0 /var/www/w/includes/registration/ExtensionRegistry.php(282): ExtensionRegistry->readFromQueue() #1 /var/www/w/includes/Setup.php(282): ExtensionRegistry->loadFromQueue() #2 /var/www/w/includes/WebStart.php(92): require_once('/var/www/w/incl...') #3 /var/www/w/index.php(44): require('/var/www/w/incl...') #4 {main} thrown in /var/www/w/includes/registration/ExtensionRegistry.php on line 400