Fatal error: Uncaught Error: Interface 'Phpro\SoapClient\Middleware\MiddlewareInterface' not found in /home/opcon/src/composer/vendor/phpro/soap-client/src/Phpro/SoapClient/Middleware/Middleware.php:16 Stack trace: #0 {main} thrown in /home/opcon/src/composer/vendor/phpro/soap-client/src/Phpro/SoapClient/Middleware/Middleware.php on line 16