3787077 - Error "Only combination of reason code with payment differences supported" in Post Incoming Payments app - SAP S/4HANA Cloud Public Edition

Encounter the error message "Only combination of reason code with payment differences supported" when posting payments in the Post Incoming Payments app.

SAP S/4HANA Cloud Public Edition.

1. Create payment in Post Incoming Payments app.
2. Select open items for payment and enter a Reason code.
3. Simulate or Post.
4. Observe that the error "Only combination of reason code with payment differences supported" is raised.

According to Reason Codes, the purpose of maintaining a Reason code in the payment is to answer why payment differences should be posted. Therefore, a reason code is only needed in the payment when a payment difference exists.

• Update the field status group of the G/L account used for incoming payment clearing to set Reason Code as Optional entry (not Required) when posting full payments without differences.
• When posting the full receivable amount from open items (no difference), the reason code is not relevant.

KBA 3743304 - Error "Only combination of reason code with payment differences supported" during API clearing

post incoming payments, reason code, only combination of reason code with payment differences supported, please enter a value for field reason code for account, field status group, payment differences, automatic account determination, chart of accounts, ycoa, cash discount, payment posting error, dz document type, clearing account configuration, s/4hana cloud payments , KBA , FI-FIO-AP-TRA-2CL , Transaction Apps: Public Cloud , Problem