Fatal error: Uncaught Error: Interface "Inpsyde\StateMachine\Transition\TransitionInterface" not found in /var/www/html1/wp-content/plugins/zettle-pos-integration/modules/inpsyde-state-machine/src/Transition/Transition.php:7 Stack trace: #0 {main} thrown in /var/www/html1/wp-content/plugins/zettle-pos-integration/modules/inpsyde-state-machine/src/Transition/Transition.php on line 7