Warning: require(/home/adm.sch/vendor/guzzlehttp/psr7/vendor/autoload.php): failed to open stream: No such file or directory in /home/adm.sch/vendor/guzzlehttp/psr7/tests/Integration/server.php on line 3

Fatal error: require(): Failed opening required '/home/adm.sch/vendor/guzzlehttp/psr7/vendor/autoload.php' (include_path='.:/usr/local/php/lib/php') in /home/adm.sch/vendor/guzzlehttp/psr7/tests/Integration/server.php on line 3