Fatal error: Uncaught Error: Interface "craft\base\Serializable" not found in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/test/mockclasses/serializable/Serializable.php:19
Stack trace:
#0 {main}
thrown in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/test/mockclasses/serializable/Serializable.php on line 19