How To Fix DMC_GENERAL052 - Message header may only be mapped with top-level sender structure

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 052

• Message text: Message header may only be mapped with top-level sender structure

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 DMC_GENERAL052 - Message header may only be mapped with top-level sender structure ?

  The SAP error message DMC_GENERAL052 indicates that there is an issue with the mapping of the message header in a Data Migration Cockpit (DMC) scenario. Specifically, it states that the message header can only be mapped with a top-level sender structure. This typically occurs when the structure of the data being processed does not align with the expected format for the message header.
  Cause:
  
  Incorrect Mapping: The message header is being mapped to a nested structure instead of a top-level structure. In DMC, the message header must be directly associated with the top-level sender structure.
  Data Structure Issues: The data structure defined in the migration project may not be correctly set up to accommodate the required mapping.
  Configuration Errors: There may be configuration errors in the DMC settings or in the data migration project that lead to this issue.
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in the DMC project. Ensure that the message header is mapped to the correct top-level structure.
  If you are using a custom structure, verify that it is defined correctly and that the message header is appropriately linked.
  
  
  
  Adjust Data Structure:
  
  If the data structure is nested, consider flattening it or adjusting it so that the message header can be mapped to a top-level structure.
  Ensure that the sender structure is defined correctly in the DMC project.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation for the Data Migration Cockpit to understand the expected structure and mapping requirements.
  Look for any specific guidelines related to the message header and sender structure.
  
  
  
  Testing:
  
  After making adjustments, test the migration process again to see if the error persists.
  Use sample data to validate that the mapping works as intended.
  
  
  
  Seek Support:
  
  If the issue continues, consider reaching out to SAP support or consulting with an SAP expert who has experience with the Data Migration Cockpit.
  
  
  
  Related Information:
  
  SAP Data Migration Cockpit: A tool used for data migration in SAP S/4HANA projects, allowing users to migrate data from legacy systems to SAP.
  Message Header: In the context of DMC, the message header contains metadata about the data being processed, and it is crucial for the correct functioning of the migration process.
  Top-Level Structure: Refers to the primary data structure that is expected by the DMC for processing messages. It should not be nested within other structures.
  
  By following these steps, you should be able to resolve the DMC_GENERAL052 error and successfully map the message header in your data migration project.