How To Fix MILL_UA021 - Characteristic change was rejected by the configuration

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_UA - Messages for Breakdown Order

• Message number: 021

• Message text: Characteristic change was rejected by the configuration

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_UA021 - Characteristic change was rejected by the configuration ?

  The SAP error message MILL_UA021 indicates that a characteristic change in a configuration was rejected. This typically occurs in the context of variant configuration in SAP, where certain characteristics are interdependent, and a change to one characteristic may violate the rules or constraints set for the configuration.
  Cause:
  
  
  Incompatible Characteristics: The change you are trying to make may conflict with other characteristics that have already been set. For example, if you change a characteristic that is dependent on another characteristic, and the new value is not compatible with the existing values, the system will reject the change.
  
  
  Dependencies and Constraints: There may be dependencies defined in the configuration profile that restrict certain combinations of characteristics. If the change violates these dependencies, the system will not allow it.
  
  
  Incomplete Configuration: If the configuration is not complete or if required characteristics are missing, the system may reject changes to ensure that the configuration remains valid.
  
  
  Solution:
  
  
  Review Dependencies: Check the dependencies and constraints defined for the characteristics in the configuration profile. Ensure that the change you are trying to make does not violate any of these rules.
  
  
  Check Characteristic Values: Verify the values of other characteristics that are already set. Make sure that the new value you want to assign is compatible with the existing values.
  
  
  Use Configuration Simulation: If available, use the configuration simulation tool in SAP to test different combinations of characteristic values before making changes. This can help identify potential conflicts.
  
  
  Consult Documentation: Review the documentation for the specific configuration profile you are working with. There may be specific guidelines or rules that need to be followed.
  
  
  Error Logs: Check the error logs or messages for more detailed information about why the change was rejected. This can provide insights into which specific characteristics are causing the issue.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide assistance based on the specific configuration and business rules in your system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CU50 (Configuration Profile) and CU01 (Create Configuration Profile) to manage and review configuration settings.
  SAP Notes: Look for SAP Notes related to the error message or variant configuration issues. SAP frequently updates its knowledge base with solutions to common problems.
  Training and Documentation: Consider training sessions or documentation on variant configuration in SAP to better understand how to manage characteristics and dependencies effectively.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.