Fatal error: Uncaught Error: Class "Solspace\Freeform\Library\Integrations\MailingLists\AbstractMailingListIntegration" not found in /home/corporatenwocp/public_html/vendor/solspace/craft-freeform/packages/plugin/src/Integrations/MailingLists/Campaign.php:29 Stack trace: #0 {main} thrown in /home/corporatenwocp/public_html/vendor/solspace/craft-freeform/packages/plugin/src/Integrations/MailingLists/Campaign.php on line 29