[Snapshot Pro] Fatal Error in Snapshot

If I click Snapshot in the wordpress admin then it shows the following fatal error:

Fatal error: Uncaught TypeError: Argument 1 passed to Aws\Common\Client\AbstractClient::__construct() must be an instance of Aws\Common\Credentials\CredentialsInterface, array given, called in /srv/users/drummlaw-sftp/apps/drummlaw/public/wp-content/plugins/snapshot/lib/Snapshot/Model/Full/Remote/Handler.php on line 16 and defined in /srv/users/drummlaw-sftp/apps/drummlaw/public/wp-content/plugins/backwpup/vendor/aws/aws-sdk-php/src/Aws/Common/Client/AbstractClient.php:73 Stack trace: #0 /srv/users/drummlaw-sftp/apps/drummlaw/public/wp-content/plugins/snapshot/lib/Snapshot/Model/Full/Remote/Handler.php(16): Aws\Common\Client\AbstractClient->__construct(Array) #1 /srv/users/drummlaw-sftp/apps/drummlaw/public/wp-content/plugins/snapshot/lib/Snapshot/Model/Full/Remote/Storage.php(446): require('/srv/users/drum...':wink: #2 /srv/users/drummlaw-sftp/apps/drummlaw/public/wp-content/plugins/snapshot/lib/Snapshot/Model/Full/Remote/Storage.php(980): Snapshot_Model_Full_Remote_Storage->get_remote_storage_handler() #3 /srv/users/drummlaw in /srv/users/drummlaw-sftp/apps/drummlaw/public/wp-content/plugins/backwpup/vendor/aws/aws-sdk-php/src/Aws/Common/Client/AbstractClient.php on line 73