Warning: include(Protection.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\index.php on line 1

Warning: include(): Failed opening 'Protection.php' for inclusion (include_path='\xampp\php\PEAR') in C:\xampp\htdocs\index.php on line 1

Fatal error: Uncaught Error: Undefined constant "system" in C:\xampp\htdocs\system\inst.php:64 Stack trace: #0 C:\xampp\htdocs\index.php(22): require() #1 {main} thrown in C:\xampp\htdocs\system\inst.php on line 64