Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in /home/wildeart/app.marshelectrical.co.nz/public_html/google_api/vendor/guzzlehttp/guzzle/src/Pool.php:20 Stack trace: #0 {main} thrown in /home/wildeart/app.marshelectrical.co.nz/public_html/google_api/vendor/guzzlehttp/guzzle/src/Pool.php on line 20