Cannot access to the POS

Cannot access to the POS

Environment:

6.5 update 6 

Problem Statement :-

We found a issue while we try to logging into POS, we tried to logging with two different users but the result is the same for both.
 -We tried to change password for both users.
 -We tried to unlock and lock again the "Allow to unlock POS" check in both users.

Proposed solution :-

Please check the transaction entry check box in employee set-up form users( users who are login to the POS)