Fatal error: Uncaught Error: Interface "Aws\Endpoint\PartitionInterface" not found in C:\xampp\htdocs\uploadPdf\vendor\aws\aws-sdk-php\src\Endpoint\Partition.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\uploadPdf\vendor\aws\aws-sdk-php\src\Endpoint\Partition.php on line 13