Fatal error: Uncaught Error: Call to undefined function require_api() in C:\wamp\www\mantisbt\core\database_api.php:34 Stack trace: #0 C:\wamp\www\mantisbt\core\json_api.php(33): require_once() #1 {main} thrown in C:\wamp\www\mantisbt\core\database_api.php on line 34