Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler\AbstractRedisSessionHandlerTestCase" not found in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/PredisSessionHandlerTest.php:16 Stack trace: #0 {main} thrown in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/PredisSessionHandlerTest.php on line 16