Fatal error: Uncaught Error: Class "Symfony\Component\Cache\Tests\Simple\CacheTestCase" not found in /var/www/html/includes/php-ffmpeg/vendor/symfony/cache/Tests/Simple/ArrayCacheTest.php:19 Stack trace: #0 {main} thrown in /var/www/html/includes/php-ffmpeg/vendor/symfony/cache/Tests/Simple/ArrayCacheTest.php on line 19