How To Fix UAMO031 - Format of value "&1" is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: UAMO - UA Modeler

• Message number: 031

• Message text: Format of value "&1" 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UAMO031 - Format of value "&1" is unknown ?

  The SAP error message UAMO031, which states "Format of value '&1' is unknown," typically occurs in the context of SAP User Access Management (UAM) or when dealing with authorization objects and roles. This error indicates that the system has encountered a value that it does not recognize or cannot process due to an incorrect format.
  Causes:
  
  Incorrect Value Format: The value being processed does not conform to the expected format. This could be due to incorrect data entry or a mismatch in data types.
  Configuration Issues: There may be issues with the configuration of the authorization objects or roles that are being referenced.
  Data Type Mismatch: The value provided may not match the expected data type (e.g., a string where a number is expected).
  Missing or Incomplete Data: The value might be missing or incomplete, leading to the system being unable to interpret it correctly.
  
  Solutions:
  
  Check the Value: Review the value that is causing the error. Ensure that it is in the correct format as expected by the system. This may involve checking for typos, incorrect characters, or formatting issues.
  Review Configuration: Check the configuration of the relevant authorization objects and roles. Ensure that they are set up correctly and that all required fields are populated.
  Data Type Validation: Ensure that the data types of the values being passed match the expected types in the system. If a numeric value is expected, ensure that the value is indeed numeric.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or function you are using to understand the expected formats and requirements.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered and what values are being processed at that point.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SU01 (User Maintenance), PFCG (Role Maintenance), and SUIM (User Information System).
  User Roles and Authorizations: Understanding how user roles and authorizations work in SAP can help in diagnosing issues related to access management.
  
  By following these steps, you should be able to identify and resolve the cause of the UAMO031 error in your SAP system.