Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Test\AbstractTransportFactoryTestCase" not found in /home/standardtelephon/public_html/apps/vendor/symfony/mailer/Test/TransportFactoryTestCase.php:26 Stack trace: #0 {main} thrown in /home/standardtelephon/public_html/apps/vendor/symfony/mailer/Test/TransportFactoryTestCase.php on line 26