How To Fix UMG139 - Unallowed value for collision resolution. Allowed are M and O.

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 139

• Message text: Unallowed value for collision resolution. Allowed are M and O.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UMG139 - Unallowed value for collision resolution. Allowed are M and O. ?

  The SAP error message UMG139, which states "Unallowed value for collision resolution. Allowed are M and O," typically occurs in the context of SAP's User Management Engine (UME) or when dealing with user management and authorization issues. This error indicates that an invalid value has been provided for the collision resolution parameter, which is expected to be either 'M' (Merge) or 'O' (Overwrite).
  Cause:
  The error is triggered when a process or function is trying to handle user data, and the value provided for collision resolution does not match the expected values ('M' or 'O'). This can happen in various scenarios, such as:
  
  Incorrect Configuration: The configuration settings for user management or data import/export processes may have been set incorrectly.
  Custom Code: If there is custom code or a third-party integration that interacts with user data, it may be passing an invalid value.
  Data Import: During data import processes, if the source data contains an unexpected value for collision resolution, this error can occur.
  
  Solution:
  To resolve the UMG139 error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings related to user management and ensure that the collision resolution parameter is set correctly. It should only accept 'M' or 'O'.
  
  
  Validate Input Data: If you are importing data or using a custom program, ensure that the input data does not contain any invalid values for collision resolution. Modify the data to use only 'M' or 'O'.
  
  
  Review Custom Code: If there is any custom code involved, check the logic that sets the collision resolution value. Ensure it only assigns 'M' or 'O' based on the conditions defined in your business logic.
  
  
  Testing: After making the necessary changes, test the process again to ensure that the error does not occur.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to user management and collision resolution for any additional guidance or updates.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to UMG139.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  System Logs: Review system logs for additional context or related error messages that may provide more insight into the issue.
  
  By following these steps, you should be able to identify the cause of the UMG139 error and implement a solution to resolve it.