Fatal error: Uncaught Error: Class "Metadata\Driver\AbstractFileDriver" not found in /home/astechc1/public_html/vendor/vich/uploader-bundle/src/Metadata/Driver/AbstractYamlDriver.php:14 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/vich/uploader-bundle/src/Metadata/Driver/AbstractYamlDriver.php on line 14