3777150 - Error system cannot calculate cash discount base amount in Upload Customer Open Items app

In the app "Upload Customer Open Items" (App ID: F4051), during check the system raises error "System cannot calculate cash discount base amount; enter it." (FF 711).

SAP S/4HANA Cloud Public Edition

1. Open the app "Upload Customer Open Items".
2. Upload the template file.
3. Select the uploaded item(s) and choose 'Check' button.
4. The error "System cannot calculate cash discount base amount; enter it" is shown when reviewing the check result.

1. Incorrect filling of debit/credit indicator in the upload file.
2. Or a tax code is entered on the customer (header) item while G/L line items have a different tax code, which excludes those different tax codes when determining the cash discount base amounts and triggers the error.

1. Double-check that the correct value has been entered in the "Debit/Credit (1) S=Debit; H=Credit" field (column DEBITCREDITCODE) in the 'G/L Account Items' section of the template. 
   For example, if the item is a credit but S is entered by mistake.
2. In the upload template, remove the "Tax Code" (column TAXCODE) from the 'Header Data' section.
   Then the G/L line items may retain their respective tax codes; avoid setting a conflicting header tax code when line items use different tax codes.

Help Portal: Upload Customer Open Items

Upload Customer Open Items, Cash Discount Base Amount, FF 711, Tax Code, Customer Item Tax, Check, Cash Discount Calculation, UCOI, Debit, Credit , KBA , FI-FIO-AR-TRA-2CL , Transaction Apps: Public Cloud , Problem