How To Fix MDG_BS_MAT_UI040 - Incorrect mapping for field &1. Check the maintained mapping.

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_MAT_UI - Material Display (Single Maintenance)

• Message number: 040

• Message text: Incorrect mapping for field &1. Check the maintained mapping.

What causes this issue?

Field &1 is mapped twice.
Check that in each mapping the field is uniquely mapped.
If the field is used in both directions, make sure that the relation
refers to the same fields.
Multiple mapping or complex mapping is not supported in MDG-M.

System Response

An error is raised.

How to fix this error?

Correct the mapping. You can analyze your mapping using the program
MDG_BS_MAT_FIND_MODEL_DETAILS.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_MAT_UI040 - Incorrect mapping for field &1. Check the maintained mapping. ?

  The SAP error message MDG_BS_MAT_UI040 indicates that there is an issue with the mapping of a field in the Master Data Governance (MDG) system, specifically related to material data. This error typically arises when the system cannot find a valid mapping for a field that is being processed, which can occur during data import, data replication, or when using the MDG UI.
  Cause:
  
  Incorrect Mapping Configuration: The mapping for the specified field (&1) is not correctly defined in the MDG configuration. This could be due to a missing entry, incorrect data type, or a mismatch between the source and target fields.
  Field Not Supported: The field may not be supported in the current context or may not be included in the mapping configuration.
  Changes in Data Model: If there have been recent changes to the data model or the structure of the material master, the mappings may need to be updated accordingly.
  Transport Issues: If the configuration was transported from one system to another, there may be inconsistencies in the mapping settings.
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Go to the MDG configuration settings and verify the mapping for the field indicated in the error message. Ensure that the mapping is correctly defined and that the source and target fields match in terms of data type and length.
  You can access the mapping configuration through transaction code MDGIMG or the relevant customizing transaction for your MDG version.
  
  
  
  Update Data Model:
  
  If there have been changes to the data model, ensure that the mappings are updated to reflect these changes. This may involve adjusting the data model or the mapping settings.
  
  
  
  Test the Mapping:
  
  Use the mapping test tools available in MDG to validate the mapping for the specific field. This can help identify any discrepancies or issues.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, check if all necessary objects were transported correctly. Ensure that the mapping configuration exists in the target system.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or notes related to the specific version of MDG you are using. There may be known issues or additional configuration steps required.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG (MDG Implementation Guide) and MDG_MAT (Material Master Governance).
  SAP Notes: Search for SAP Notes related to MDG and the specific error message for any patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the mapping issue causing the error message MDG_BS_MAT_UI040.