Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in /home/bienalsurweb/public_html/convocatoria2019/vendor/guzzlehttp/promises/src/AggregateException.php:10 Stack trace: #0 {main} thrown in /home/bienalsurweb/public_html/convocatoria2019/vendor/guzzlehttp/promises/src/AggregateException.php on line 10