Warning: require_once(includes/pos_header.php): Failed to open stream: No such file or directory in E:\xampp\data2\pos.php on line 2

Fatal error: Uncaught Error: Failed opening required 'includes/pos_header.php' (include_path='C:\xampp\php\PEAR') in E:\xampp\data2\pos.php:2 Stack trace: #0 {main} thrown in E:\xampp\data2\pos.php on line 2