How To Fix MN459 - Settlement data from user exit includes invalid data records

MN459 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 459

• Message text: Settlement data from user exit includes invalid data records

What causes this issue?

The settlement data taken from a user exit at the tax code level
contains data from other condition records. This is not allowed.

System Response

Settlement accounting with regard to the condition record, and thus for
rebate arrangement &V3&, is not possible.

How to fix this error?

The programming in enhancement LWBON003, function module
EXIT_SAPLWN01_003, of function group XWNX must be changed.
The above data may not be included in structure
T_SETTLEMENT_VALUES_MWSKZ.
If necessary, please contact the person responsible in your enterprise.
The affected condition record has the (internal) number &V1&, item
number &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN459 - Settlement data from user exit includes invalid data records ?

  The SAP error message MN459, which states "Settlement data from user exit includes invalid data records," typically occurs during the settlement process in SAP, particularly in the context of internal orders, projects, or other cost objects. This error indicates that there are issues with the data being processed, often due to inconsistencies or invalid entries generated by a user exit or enhancement.
  Causes:
  
  Invalid Data Records: The user exit may be generating records that do not conform to the expected format or contain invalid values (e.g., incorrect cost elements, invalid account assignments).
  Data Inconsistencies: There may be inconsistencies in the data being passed to the settlement process, such as missing or incorrect master data.
  Custom Code Issues: If there are custom enhancements or modifications in the user exit, they may not be handling certain scenarios correctly, leading to invalid data.
  
  Configuration Issues: Incorrect configuration settings in the settlement profile or related settings can lead to