How To Fix MDM_GX_ERP_MSG004 - Maintain the input classes in customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: MDM_GX_ERP_MSG - Message class for ERP

• Message number: 004

• Message text: Maintain the input classes in customizing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDM_GX_ERP_MSG004 - Maintain the input classes in customizing ?

  The SAP error message MDM_GX_ERP_MSG004 typically indicates that there is an issue with the configuration of input classes in the SAP system, particularly in the context of Master Data Management (MDM) and its integration with ERP systems. This error suggests that the necessary input classes have not been maintained or configured properly in the system.
  Cause:
  
  Missing Input Classes: The input classes required for the data transfer or processing are not defined in the customizing settings.
  Incorrect Configuration: The input classes may be incorrectly configured or not aligned with the expected data structure.
  Transport Issues: If the configuration was recently transported from another system, there may have been issues during the transport process that led to missing or incomplete settings.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Access Customizing Settings:
  
  Go to the SAP Easy Access screen and navigate to the customizing settings for MDM.
  Use transaction code SPRO to access the SAP Reference IMG.
  
  
  
  Maintain Input Classes:
  
  Navigate to the relevant section for maintaining input classes. This is usually found under:
  
  Master Data Management -> Data Transfer -> Define Input Classes.
  
  
  Ensure that the necessary input classes are defined and configured correctly.
  
  
  
  Check Configuration:
  
  Verify that the input classes are correctly linked to the relevant data models and that all required fields are populated.
  Ensure that the input classes match the data structure expected by the ERP system.
  
  
  
  Testing:
  
  After making the necessary changes, test the data transfer or processing again to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to MDM and input classes for any specific requirements or additional configuration steps.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, check the transport logs for any errors and ensure that all necessary objects were included in the transport request.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  Training and Documentation: Consider reviewing training materials or documentation related to MDM and data integration processes to better understand the configuration requirements.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message MDM_GX_ERP_MSG004. If the problem persists, it may be beneficial to consult with an SAP expert or support team for further assistance.