Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\TaskQueueInterface" not found in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/guzzlehttp/promises/src/TaskQueue.php:14
Stack trace:
#0 {main}
thrown in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/guzzlehttp/promises/src/TaskQueue.php on line 14