Because it is not as timely and sometimes difficult to troubleshoot issues via the forum, we recommend that you contact your Linoma Reseller support team and open a support ticket.
The error in the log provided indicates an issue with the SFTP connection. In this case, it is always recommended that you set the project logging to debug detail to get more information your specific SFTP connection issue. Do this and check the log to see the cause. If you need further assistance, send this job log to your your Linoma Reseller support team with a brief explanation of the issue, GoAnywhere version and Operating System/platform that GoAnywhere is running on.