Warning: require_once(../vendor/autoload.php): failed to open stream: No such file or directory in /home/app/htdocs/lidia/vendor/cleverit/ubl_invoice/tests/test.php on line 2

Fatal error: require_once(): Failed opening required '../vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /home/app/htdocs/lidia/vendor/cleverit/ubl_invoice/tests/test.php on line 2