ip_exception: error parsing IP address

[DEVuser]

Could you please help me fix this error.
I installed OpenVPN Access Server and added a couple of users.

Code: Select all

Error:
service failed to validate
service failed to validate
ip_exception: error parsing IP address '' : Invalid argument: util/cdict:298,util/valid:132,site-packages/ovpn3:665 (exceptions.ValueError)
ip_exception: error parsing IP address '' : Invalid argument: util/cdict:298,util/valid:132,site-packages/ovpn3:665 (exceptions.ValueError)
ip_exception: error parsing IP address '' : Invalid argument: util/cdict:298,util/valid:132,site-packages/ovpn3:665 (exceptions.ValueError)
ip_exception: error parsing IP address '' : Invalid argument: util/cdict:298,util/valid:132,site-packages/ovpn3:665 (exceptions.ValueE