Warning: require_once(C:/xampp/includes/app_config.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\patient\login.php on line 11

Fatal error: Uncaught Error: Failed opening required 'C:/xampp/includes/app_config.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\patient\login.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\patient\login.php on line 11