Fatal error: Uncaught Error: Class "Zendesk\API\ClientAbstract" not found in /var/www/html/includes/zendesk/src/Zendesk/API/TopicSubscriptions.php:9
Stack trace:
#0 {main}
thrown in /var/www/html/includes/zendesk/src/Zendesk/API/TopicSubscriptions.php on line 9