3568520 - Error "Mandatory partner role &2 is missing for sales area &3" in BP transaction

BP transaction is raising one of the following errors when saving customer sales area:

• Customer &1: Mandatory partner role &2 is missing for sales area &3 - Message no. CMD_API 100
• Office & is not defined for sales area & & & - Message no. F2 712

• SAP S/4HANA
• SAP S/4HANA Cloud Private Edition

CMD_API 100, CMD_API100, F2 712, F2712, CVI_BDT_ADAPTER050, SD, PARTNER FUNCTIONS, PARTNER ROLE, FUNCTION, CUSTOMER, CUSTOMERS, VENDOR, VENDORS, SUPPLIER, SUPPLIERS, BP, BPS, Customer &1: Mandatory partner role &2 is missing for sales area &3, Office & is not defined for sales area & & & , KBA , LO-MD-BP-VM , Vendor Master , Problem