How To Fix MG455 - Customer structure used; run program RMDATING

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 455

• Message text: Customer structure used; run program RMDATING

What causes this issue?

You have attempted to import a file using a customer data structure.

System Response

The system has established that this is only possible if the generator
has been run.

How to fix this error?

Start program RMDATING.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG455 - Customer structure used; run program RMDATING ?

  The SAP error message MG455 ("Customer structure used; run program RMDATING") typically occurs in the context of inventory management and material master data. This message indicates that there are inconsistencies or issues with the data in the material master or inventory records that need to be addressed.
  Cause:
  The error is usually caused by the following factors:
  
  Custom Structures: The system is using a custom structure for the material master or inventory data, which may not be compatible with the standard processing.
  Data Inconsistencies: There may be inconsistencies in the data that need to be resolved before further processing can occur.
  Missing or Incorrect Data: Required fields or data may be missing or incorrectly filled in the material master or related records.
  
  Solution:
  To resolve the MG455 error, you should follow these steps:
  
  
  Run Program RMDATING:
  
  The error message suggests running the program RMDATING. This program is designed to update the data in the material master and resolve inconsistencies.
  You can execute this program by navigating to the transaction code SE38 or SA38, entering RMDATING, and executing it.
  
  
  
  Check Custom Structures:
  
  If your organization has implemented custom structures, ensure that they are correctly defined and compatible with the standard SAP processes.
  Review any custom enhancements or modifications that may affect the material master data.
  
  
  
  Data Validation:
  
  Check the material master records for any missing or incorrect data. Ensure that all required fields are filled out correctly.
  Use transaction codes like MM03 (Display Material) to review the material master data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the error message MG455 for any specific guidance or updates that may apply to your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support for further assistance. They may provide additional insights or patches if the issue is related to a known bug.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SE38 or SA38 (to run programs)
  MM03 (to display material master)
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Custom Development: If your organization has custom developments, ensure that they are properly documented and that the development team is aware of the issue.
  
  By following these steps, you should be able to resolve the MG455 error and ensure that your material master data is consistent and correctly configured.