Fatal error: Uncaught Error: Class "Symfony\Component\Process\ProcessBuilder" not found in /home/meeton/public_html/all/grupy/fns/FFMpeg/php_older_version/alchemy/binary-driver/tests/Alchemy/Tests/BinaryDriver/LTSProcessBuilder.php:10 Stack trace: #0 {main} thrown in /home/meeton/public_html/all/grupy/fns/FFMpeg/php_older_version/alchemy/binary-driver/tests/Alchemy/Tests/BinaryDriver/LTSProcessBuilder.php on line 10