Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in /home/admin2bannerworl/public_html/admin2.bannerworld.co.uk/vendor-old/guzzlehttp/promises/src/CancellationException.php:8 Stack trace: #0 {main} thrown in /home/admin2bannerworl/public_html/admin2.bannerworld.co.uk/vendor-old/guzzlehttp/promises/src/CancellationException.php on line 8