Fatal error: Uncaught Error: Class "JMS\Serializer\Exception\InvalidArgumentException" not found in /home/activeexcavators/public_html/vendor copy/jms/serializer/src/Exception/UnsupportedFormatException.php:7 Stack trace: #0 {main} thrown in /home/activeexcavators/public_html/vendor copy/jms/serializer/src/Exception/UnsupportedFormatException.php on line 7