Fatal error: Uncaught Error: Undefined constant "DEBUG_DEVELOPER" in /opt/app/config.php:88 Stack trace: #0 /opt/app/public/config.php(31): require_once() #1 /opt/app/public/r.php(29): require_once('/opt/app/public...') #2 {main} thrown in /opt/app/config.php on line 88