Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromiseInterface' not found in /home/luxurytr/public_html/lt8/vendor/guzzlehttp/promises/src/Promise.php:9
Stack trace:
#0 {main}
thrown in /home/luxurytr/public_html/lt8/vendor/guzzlehttp/promises/src/Promise.php on line 9