Fatal error: Uncaught Error: Call to undefined function require_api() in C:\wamp\www\mantisbt\api\soap\mc_api.php:32 Stack trace: #0 C:\wamp\www\mantisbt\core\classes\FilterConverter.class.php(25): require_once() #1 {main} thrown in C:\wamp\www\mantisbt\api\soap\mc_api.php on line 32