Warning: require_once(D:/xampp/htdocs/phpprojects/opencart/system/startup.php): Failed to open stream: No such file or directory in D:\Program Files\xampp\htdocs\php7projects\opencart\index.php on line 17

Fatal error: Uncaught Error: Failed opening required 'D:/xampp/htdocs/phpprojects/opencart/system/startup.php' (include_path='D:\Program Files\xampp\php\PEAR') in D:\Program Files\xampp\htdocs\php7projects\opencart\index.php:17 Stack trace: #0 {main} thrown in D:\Program Files\xampp\htdocs\php7projects\opencart\index.php on line 17