Pos3/5/FNB: Login License error Value cannot be null

Question :

When I login POS Backend it prompts me error message as below:

Value cannot be null

Parameter name: Value

Error! Fail to connect AutoCount Server Service.

Most Probably you didn’t install AutoCount Server properly, or set invalid port number or firewall didn’t open

Possible Reason :

The versions of POS Backend and AutoCount Server (Backup Server) does not match.

Solution :

Update POS Backend & AutoCount Server to the latest rev: .

By: CK 20221220, Jacky 20221222, P221227 [000374]

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