Warning: require(C:\XAMPP\htdocs\elibrary/vendor/autoload.php): failed to open stream: No such file or directory in C:\XAMPP\htdocs\elibrary\index.php on line 5

Fatal error: require(): Failed opening required 'C:\XAMPP\htdocs\elibrary/vendor/autoload.php' (include_path='C:\XAMPP\php\PEAR') in C:\XAMPP\htdocs\elibrary\index.php on line 5