Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in /home/apolo/public_html/sgdpr/vendor/guzzlehttp/promises/src/Promise.php:9
Stack trace:
#0 {main}
thrown in /home/apolo/public_html/sgdpr/vendor/guzzlehttp/promises/src/Promise.php on line 9