How To Fix ESH_FED_MSG031 - Attribute &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_FED_MSG - Search Federation

• Message number: 031

• Message text: Attribute &1 is unknown

What causes this issue?

The value of an attribute was requested that is not part of the search
result.

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?

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 ESH_FED_MSG031 - Attribute &1 is unknown ?

  The SAP error message ESH_FED_MSG031, which states "Attribute &1 is unknown," typically occurs in the context of SAP Enterprise Search or SAP HANA when the system is unable to recognize or find a specified attribute in a search or query operation. This can happen for several reasons, including:
  Causes:
  
  Typographical Error: The attribute name specified in the query may contain a typo or may not match the expected naming convention.
  Attribute Not Defined: The attribute may not be defined in the data model or the search index. This can happen if the attribute was removed or not included in the relevant data source.
  Data Source Issues: The data source from which the attribute is being queried may not be properly configured or may not contain the expected attributes.
  Version Mismatch: There may be a version mismatch between the data model and the search index, leading to discrepancies in available attributes.
  Authorization Issues: The user may not have the necessary permissions to access the attribute, leading to it being treated as "unknown."
  
  Solutions:
  
  Check Attribute Name: Verify the spelling and case of the attribute name in your query. Ensure it matches exactly with the defined attributes in the data model.
  Review Data Model: Check the data model configuration to ensure that the attribute is defined and included in the relevant data source.
  Rebuild Search Index: If the attribute was recently added or modified, consider rebuilding the search index to ensure that all changes are reflected.
  Check Data Source Configuration: Ensure that the data source is correctly configured and that it includes the necessary attributes.
  User Authorization: Verify that the user executing the query has the appropriate authorizations to access the attribute in question.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the version of SAP you are using.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to explore the data model and attributes.
  Logs and Traces: Review application logs and traces for additional context around the error, which may provide more details on why the attribute is considered unknown.
  
  By following these steps, you should be able to identify the root cause of the error and implement an appropriate solution.