Fatal error: Uncaught Error: Class 'GuzzleHttp\Tests\Psr7\BaseTest' not found in /home/adm.sch/vendor/guzzlehttp/psr7/tests/ResponseTest.php:12 Stack trace: #0 {main} thrown in /home/adm.sch/vendor/guzzlehttp/psr7/tests/ResponseTest.php on line 12