Fatal error: Uncaught Error: Interface "Interop\Container\ServiceProviderInterface" not found in /var/www/html1/wp-content/plugins/zettle-pos-integration/vendor/dhii/containers/src/ServiceProvider.php:16 Stack trace: #0 {main} thrown in /var/www/html1/wp-content/plugins/zettle-pos-integration/vendor/dhii/containers/src/ServiceProvider.php on line 16