How To Fix 28407 - Characteristic &1: data type "UDEF" not yet supported

SAP Error Message - Details

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 407

• Message text: Characteristic &1: data type "UDEF" not yet supported

What causes this issue?

Data type 'UDEF'
(<DS:GLOS.user-defined_data_type>user-defined data type</>) is not
currently supported.

System Response

For this reason, the dependency cannot be processed and is marked as
incorrect.

How to fix this error?

Only use single-value characteristics for now.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 28407 - Characteristic &1: data type "UDEF" not yet supported ?

  The SAP error message 28407, which states "Characteristic &1: data type 'UDEF' not yet supported," typically occurs when you are working with characteristics in SAP that have a user-defined data type (UDEF) that the system does not support in the context you are trying to use it.
  Cause:
  
  Unsupported Data Type: The characteristic you are trying to use has a user-defined data type that is not recognized or supported by the SAP system for the operation you are attempting.
  Configuration Issues: There may be issues with how the characteristic is configured in the system, particularly if it was created or modified recently.
  Version Limitations: The version of SAP you are using may not support certain user-defined data types, especially if it is an older version.
  
  Solution:
  
  Check Characteristic Configuration: Review the configuration of the characteristic in question. Ensure that it is set up correctly and that the data type is appropriate for the intended use.
  Use Standard Data Types: If possible, change the data type of the characteristic to a standard type that is supported by SAP. This may involve modifying the characteristic definition in the relevant configuration settings.
  Consult Documentation: Refer to SAP documentation or release notes for your version to see if there are any known limitations or updates regarding user-defined data types.
  Update SAP System: If you are using an older version of SAP, consider updating to a newer version that may have better support for user-defined data types.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide insights or patches that can resolve the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to error message 28407 or user-defined data types.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the definition of the characteristic and its data type.
  Custom Development: If you are using custom developments or enhancements, review the code to ensure that it is compatible with the data types being used.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.