How To Fix USMD6357 - &1 is chosen as header field, but the selection is not single value

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD6 - Messages for Data Transfer

• Message number: 357

• Message text: &1 is chosen as header field, but the selection is not single value

What causes this issue?

The fields selected in the <ZH>Header </>area in step 3 <ZH>Define File
Structure </> must always be single values.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

There are two options to change the selection, so that the file download
can be proceeded:
1. In step 3 <ZH>Define File Structure </> remove the field from the
<ZH>Header area</> and add it to the <ZH>Data Row</> area
2. In step 2 <ZH>Define Selection</> change the selection, so that for
this field only one single value is selected

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD6357 - &1 is chosen as header field, but the selection is not single value ?

  The SAP error message USMD6357 typically occurs in the context of SAP Master Data Governance (MDG) when you are trying to create or change a master data record, and there is an issue with the selection of a header field. The error indicates that a field designated as a header field is expected to have a single value, but the selection criteria provided do not meet this requirement.
  Cause:
  
  Multiple Values Selected: The header field in question is expected to have a single value, but the user has selected multiple values or a range of values.
  Configuration Issues: There may be a misconfiguration in the data model or the UI configuration that does not enforce the single value requirement correctly.
  Data Inconsistency: The data being processed may have inconsistencies that lead to multiple values being interpreted for a single header field.
  
  Solution:
  
  Check Selection Criteria: Review the selection criteria you are using to ensure that only a single value is selected for the header field in question. If you are using a dropdown or selection list, make sure only one item is selected.
  Review Configuration: If you have access to the configuration settings, check the data model and UI configuration to ensure that the header field is correctly defined to accept only a single value.
  Data Validation: Validate the data being processed to ensure that it does not contain multiple entries for the header field. If necessary, clean up the data to ensure consistency.
  Consult Documentation: Refer to the SAP documentation or help resources for specific guidance on the header field in question and its expected behavior.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  Testing: If you are in a development or testing environment, try replicating the issue with different data sets to better understand the conditions that lead to the error.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.