Fatal error: Uncaught Error: Interface 'TEC\Tickets\Commerce\Gateways\Contracts\Signup_Interface' not found in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Commerce/Gateways/Contracts/Abstract_Signup.php:12 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets/src/Tickets/Commerce/Gateways/Contracts/Abstract_Signup.php on line 12