Fatal error: Uncaught Error: Interface "Inpsyde\Queue\Queue\Locker" not found in /var/www/html1/wp-content/plugins/zettle-pos-integration/modules/inpsyde-queue/src/Queue/EphemeralLocker.php:14 Stack trace: #0 {main} thrown in /var/www/html1/wp-content/plugins/zettle-pos-integration/modules/inpsyde-queue/src/Queue/EphemeralLocker.php on line 14