Fatal error: Uncaught Error: Interface 'Silex\ServiceProviderInterface' not found in /home/kubalos2/public_html/testtestowy/vendor/pbmedia/php-ffmpeg/src/FFMpeg/FFMpegServiceProvider.php:18 Stack trace: #0 {main} thrown in /home/kubalos2/public_html/testtestowy/vendor/pbmedia/php-ffmpeg/src/FFMpeg/FFMpegServiceProvider.php on line 18