Warning: require_once(../phpspreadsheet/vendor/autoload.php): failed to open stream: No such file or directory in C:\xampp\htdocs\ajax\accion-afcronico_pend.php on line 4

Fatal error: require_once(): Failed opening required '../phpspreadsheet/vendor/autoload.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\ajax\accion-afcronico_pend.php on line 4