Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in /home/flexinettek/public_html/vendor/guzzlehttp/promises/src/CancellationException.php:7
Stack trace:
#0 {main}
thrown in /home/flexinettek/public_html/vendor/guzzlehttp/promises/src/CancellationException.php on line 7