Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromiseInterface' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\vendor\guzzlehttp\promises\src\FulfilledPromise.php:10
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\vendor\guzzlehttp\promises\src\FulfilledPromise.php on line 10