Fatal error: Uncaught Error: Interface 'Symfony\Component\Serializer\Encoder\EncoderInterface' not found in /home/rykfgln/www/4.ta.a/vendor/symfony/serializer/Encoder/JsonEncoder.php:19 Stack trace: #0 {main} thrown in /home/rykfgln/www/4.ta.a/vendor/symfony/serializer/Encoder/JsonEncoder.php on line 19