Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\TaskQueueInterface" not found in /var/www/usonboard.com/vendor/guzzlehttp/promises/src/TaskQueue.php:18
Stack trace:
#0 {main}
thrown in /var/www/usonboard.com/vendor/guzzlehttp/promises/src/TaskQueue.php on line 18