Fatal error: Uncaught Error: Class "Symfony\Component\Process\Process" not found in /home/escolicc/public_html/vendor/symfony/process/Symfony/Component/Process/Tests/ProcessInSigchildEnvironment.php:16 Stack trace: #0 {main} thrown in /home/escolicc/public_html/vendor/symfony/process/Symfony/Component/Process/Tests/ProcessInSigchildEnvironment.php on line 16