How to solve – “No screen is set up”
No POS365 screen has been configured or assigned to the cash register.
- In the Admin Center, go to Setup → Screen designer.
- Select the required screen and configure its modules.
- Save the screen.
- Go to Setup → Cash registers.
- Select the required cash register.
- Choose the configured screen in the Screen field.
- Save the cash register and restart POS365.
Indepth guide link: "Create and use layouts in POS365"