How To Fix UCF8020 - Characteristic &1 has an ambiguous value in reference document &2; check

SAP Error Message - Details

• Message type: E = Error

• Message class: UCF8 - Messages for Manual Journal Entry

• Message number: 020

• Message text: Characteristic &1 has an ambiguous value in reference document &2; check

What causes this issue?

The definition of document type &V3& provides a permanent fixing for
characteristic &V1&. However, this characteristic has no unique value
in reference document &V2&. This contradicts the document type
definition.

System Response

Document &V2& cannot be processed.

How to fix this error?

Correct the definition of document type &V3&.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCF8020 - Characteristic &1 has an ambiguous value in reference document &2; check ?

  The SAP error message UCF8020 indicates that there is an ambiguity in the value of a characteristic in a reference document. This typically occurs in the context of SAP's classification system, where a characteristic is expected to have a unique value, but multiple values are found for the same characteristic in the reference document.
  Cause:
  
  Ambiguous Values: The characteristic in question has multiple values assigned in the reference document, which leads to confusion about which value should be used.
  Data Inconsistency: There may be inconsistencies in the data entered for the characteristic across different documents or records.
  Configuration Issues: The configuration of the classification system may not be set up correctly, leading to overlapping or conflicting values for characteristics.
  
  Solution:
  
  Check the Reference Document: Review the reference document mentioned in the error message to identify the characteristic and its assigned values. Look for any discrepancies or multiple entries.
  Clarify the Characteristic Value: Ensure that the characteristic has a single, unambiguous value. If there are multiple values, determine which one is correct and update the document accordingly.
  Data Cleanup: If the issue is due to data inconsistency, perform a data cleanup to ensure that all records are consistent and that each characteristic has a unique value.
  Configuration Review: If the problem persists, review the configuration settings for the classification system to ensure that they are set up correctly and that there are no conflicting settings.
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on handling classification and characteristic issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL02 (Change Class) or CL03 (Display Class) to manage characteristics and classes.
  User Roles: Ensure that you have the appropriate permissions to make changes to the classification data, as some actions may require specific user roles.
  
  If the issue continues after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.