Warning: require_once(../db_defines.php): failed to open stream: No such file or directory in C:\xampp\htdocs\husc\dtn\maincore.php on line 31

Fatal error: require_once(): Failed opening required '../db_defines.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\husc\dtn\maincore.php on line 31