POS show Bellow Error at starting new session on Odoo 11 Enterprise. What could be reason and how to fix it?
Error while validating constraint
Mixing apples and oranges: res.currency().union(False)
Odoo is the world's easiest all-in-one management software.
It includes hundreds of business apps:
- 客戶關係
- e-Commerce
- 會計
- 庫存
- PoS
- Project
- MRP
Any customization you have added/installed ?
No customization, Just Added some fields using Studio in Invoice module but Not in POS module, . I didn't use the module before, i installed it and tried it for the first time.