How To Fix USMD6050 - Field &1 of transfer structure is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD6 - Messages for Data Transfer

• Message number: 050

• Message text: Field &1 of transfer structure is unknown

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 USMD6050 - Field &1 of transfer structure is unknown ?

  The SAP error message USMD6050, which states "Field &1 of transfer structure is unknown," typically occurs in the context of data transfer processes, particularly when working with the SAP Master Data Governance (MDG) module. This error indicates that the system is unable to recognize a specific field in the transfer structure that is being used for data transfer.
  Cause:
  
  Field Not Defined: The field specified in the error message (&1) is not defined in the transfer structure. This could happen if the field was removed or renamed in the underlying data model.
  Incorrect Mapping: There may be an issue with the mapping of fields between the source and target structures, leading to the system not recognizing the field.
  Transport Issues: If the transfer structure was recently modified or transported from another system, it may not be in sync with the current configuration.
  Version Mismatch: The version of the data model being used may not match the version of the transfer structure, leading to discrepancies.
  
  Solution:
  
  Check Transfer Structure: Verify that the field mentioned in the error message is indeed part of the transfer structure. You can do this by navigating to the relevant data model and checking the transfer structure definition.
  Update Mapping: If the field has been renamed or removed, update the mapping accordingly in the data transfer configuration.
  Recreate Transfer Structure: If the transfer structure is corrupted or not properly defined, consider recreating it or restoring it from a backup.
  Transport Consistency: Ensure that all relevant transports have been successfully imported and that the system is consistent. If necessary, re-import the transport.
  Check Data Model Version: Ensure that the data model version you are using is compatible with the transfer structure. If there are discrepancies, you may need to adjust the data model or the transfer structure accordingly.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MDGIMG to access the configuration settings for Master Data Governance.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the official SAP documentation for Master Data Governance for detailed information on configuring transfer structures and data models.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation, as they may have access to logs and additional tools to diagnose the problem.