Getting error when updating end date for bill to site use record using FBDI

Summary:

Getting error "A location with this combination of account and account address purpose already exists." when updating end date for bill to site use record using FBDI

Populating only tab HZ_IMP_ACCTSITEUSES_T in Customer Import template and filled all below columns

*Batch Identifier
Account Number
Party Site Number
Account Site Source System
Account Site Source System Reference
Account Site Purpose Source System
Account Site Purpose Source System Reference
*Purpose
Primary Indicator
Insert Update Indicator
Site
*Account Address Purpose Set
Purpose To Date

Purpose is only to update end date, Error message does not seem relevant for update like when creating.