Warning: Undefined variable $S3Options in /var/www/html/cosmosweb/s3.php on line 13

Fatal error: Uncaught TypeError: Aws\S3\S3Client::__construct(): Argument #1 ($args) must be of type array, null given, called in /var/www/html/cosmosweb/s3.php on line 13 and defined in /var/www/html/vendor_aws/aws/aws-sdk-php/src/S3/S3Client.php:354 Stack trace: #0 /var/www/html/cosmosweb/s3.php(13): Aws\S3\S3Client->__construct() #1 {main} thrown in /var/www/html/vendor_aws/aws/aws-sdk-php/src/S3/S3Client.php on line 354