How To Fix T1248 - More than one nominal flow type assigned to the transaction type

T1248 - Overview

• Message type: E = Error

• Message class: T1 - Financial instruments

• Message number: 248

• Message text: More than one nominal flow type assigned to the transaction type

What causes this issue?

In Customizing, several flow types for the nominal amount increase were
assigned to the transaction type of the forward rate agreement used.

System Response

The system cannot make a unique assignment.

How to fix this error?

Assign just one flow type for the nominal amount increase to the
transaction type of the forward rate agreement.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

T1248 - Details

• The SAP error message T1248, which states "More than one nominal flow type assigned to the transaction type," typically occurs in the context of financial transactions within the SAP system, particularly in the area of Financial Accounting (FI) or Controlling (CO). This error indicates that there is a configuration issue where multiple nominal flow types are assigned to a single transaction type, which is not allowed.
  
  Cause:
  
  Configuration Error: The primary cause of this error is a misconfiguration in the transaction type settings. Each transaction type should be linked to a single nominal flow type, and having multiple nominal flow types assigned can lead to ambiguity in processing transactions.
  Custom Development: If there are custom developments or modifications in the system, they might inadvertently lead to this error by altering the expected configuration.
  Data Migration Issues: If data has been migrated from another system or if there have been changes in the configuration, it