Fatal error: Uncaught Error: Interface "League\Csv\Serializer\SerializationFailed" not found in /home/tlomjgm/candidature/www/vendor/league/csv/src/Serializer/DenormalizationFailed.php:19 Stack trace: #0 {main} thrown in /home/tlomjgm/candidature/www/vendor/league/csv/src/Serializer/DenormalizationFailed.php on line 19