Fatal error: Uncaught Error: Class "AmazonS3" not found in /home/politec/public_html/migracion/calidad/vendor/amazonwebservices/aws-sdk-for-php/extensions/s3browserupload.class.php:18 Stack trace: #0 {main} thrown in /home/politec/public_html/migracion/calidad/vendor/amazonwebservices/aws-sdk-for-php/extensions/s3browserupload.class.php on line 18