Fatal error: Uncaught Error: Class "Vich\UploaderBundle\Metadata\Driver\AbstractYamlDriver" not found in /home/astechc1/public_html/vendor/vich/uploader-bundle/src/Metadata/Driver/YamlDriver.php:5
Stack trace:
#0 {main}
thrown in /home/astechc1/public_html/vendor/vich/uploader-bundle/src/Metadata/Driver/YamlDriver.php on line 5