Warning: require_once(../includes/db.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\bookingsystem\admin\ajax\load-event-items.php on line 2

Fatal error: Uncaught Error: Failed opening required '../includes/db.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\bookingsystem\admin\ajax\load-event-items.php:2 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bookingsystem\admin\ajax\load-event-items.php on line 2