How To Fix SOMU_ERROR029 - &1 is still being used in derivation rule &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SOMU_ERROR - Output Management: Utilities

• Message number: 029

• Message text: &1 is still being used in derivation rule &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SOMU_ERROR029 - &1 is still being used in derivation rule &2 ?

  The SAP error message SOMU_ERROR029 indicates that a specific object (like a characteristic or a value) is still being used in a derivation rule, which prevents it from being deleted or modified. This error typically occurs in the context of SAP's Master Data Management or in the configuration of the SAP system where derivation rules are defined.
  Cause:
  The error occurs when you attempt to delete or modify an object that is currently referenced in a derivation rule. The system is designed to prevent changes that could lead to inconsistencies in the data or logic used in the derivation process.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Object: The error message will specify the object (e.g., characteristic, value) that is still being used. Take note of this object.
  
  
  Check Derivation Rules: Go to the derivation rules configuration in your SAP system. You can usually find this in the relevant module (like SAP SD, MM, or others) under the settings for derivation rules.
  
  
  Review Usage: Look for the derivation rule mentioned in the error message. Check if the object is indeed being used in that rule.
  
  
  Modify or Delete the Rule: If you need to delete or modify the object:
  
  If the object is essential for the derivation rule, consider modifying the rule to remove the dependency on the object.
  If the object is not needed, you may need to delete or deactivate the derivation rule that references it.
  
  
  
  Test Changes: After making the necessary changes, test to ensure that the derivation logic still works as expected without the object.
  
  
  Retry the Operation: Once the object is no longer referenced in any derivation rules, you should be able to perform the operation that initially triggered the error.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SOML, SOMT, or others related to your specific SAP module to access derivation rules.
  Documentation: Refer to SAP documentation or help resources for detailed guidance on managing derivation rules and characteristics.
  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 your specific configuration and requirements.
  
  By following these steps, you should be able to resolve the SOMU_ERROR029 error and proceed with your tasks in SAP.