Failed to start SFTP due to a system error

Hi everyone,
I have had a quick search on the forum and cannot find anyone who has had a similar error.

Brief description of the problem

I cannot start the SFTP service

Detailed step by step instructions to reproduce the problem

Enable SFTP Service

Web-UI screenshot

Error Traceback provided on the Web-UI

Traceback (most recent call last): File "/opt/rockstor/src/rockstor/smart_manager/views/sftp_service.py", line 52, in post toggle_sftp_service() File "/opt/rockstor/src/rockstor/system/ssh.py", line 82, in toggle_sftp_service return systemctl('sshd', 'restart') File "/opt/rockstor/src/rockstor/system/services.py", line 64, in systemctl return run_command([SYSTEMCTL_BIN, switch, service_name]) File "/opt/rockstor/src/rockstor/system/osi.py", line 109, in run_command raise CommandException(cmd, out, err, rc) CommandException: Error running a command. cmd = ['/usr/bin/systemctl', 'restart', 'sshd']. rc = 1. stdout = ['']. stderr = ['Job for sshd.service failed because a timeout was exceeded. See "systemctl status sshd.service" and "journalctl -xe" for details.', '']