In this menu, we need to map all the counter machines (Billing machines) to the corresponding Cashier machine.
select the system in which the cashier will be present for taking care of the billing part and map the counters against this cashier machine.
Click on Sales >> Cash and Shift Management >> Cashier vs Counter Master
2. Select the Cashier counter and then map it under the counter name.
3. Click Save or press F6