Fatal error: Uncaught exception 'Exception' with message 'AppConfig: Configuration file of the application has not been defined or not is valid.' in /var/www/html/source/classes/config/AppConfig.php:36 Stack trace: #0 /var/www/html/source/classes/config/AppConfig.php(44): AppConfig::load() #1 /var/www/html/public/index.php(11): require_once('/var/www/html/s...') #2 {main} thrown in /var/www/html/source/classes/config/AppConfig.php on line 36