How To Fix KU391 - First carry out function "Generate characteristics"

SAP Error Message - Details

• Message type: E = Error

• Message class: KU - Costing: Rollup

• Message number: 391

• Message text: First carry out function "Generate characteristics"

What causes this issue?

You cannot update the characteristic texts until the function "Generate
characteristics" has been carried out at least once in the client after
the last client copy.

System Response

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

How to fix this error?

Carry out the function "Generate characteristics" and then call up the
function "Characteristic text from DDIC" again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KU391 - First carry out function "Generate characteristics" ?

  The SAP error message KU391, which states "First carry out function 'Generate characteristics'," typically occurs in the context of SAP Variant Configuration (VC) when you are trying to create or modify characteristics for a configurable material. This error indicates that the system expects you to generate characteristics before proceeding with other actions.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Characteristic Generation: You have not yet generated the characteristics for the configurable material or the configuration profile.
  Incorrect Sequence of Operations: You may be trying to perform an operation that requires characteristics to be generated first, but you have skipped that step.
  Configuration Profile Issues: There may be issues with the configuration profile that prevent the characteristics from being generated.
  
  Solution:
  To resolve the KU391 error, follow these steps:
  
  
  Generate Characteristics:
  
  Navigate to the configuration profile of the material in question.
  Use the transaction code CU50 (or the appropriate transaction for your version) to access the configuration profile.
  Look for the option to generate characteristics. This is usually found under the "Characteristics" or "Generate" menu.
  Execute the generation process to create the necessary characteristics.
  
  
  
  Check Configuration Profile:
  
  Ensure that the configuration profile is correctly set up and that all required characteristics are defined.
  Verify that the dependencies and constraints are correctly configured.
  
  
  
  Re-attempt the Operation:
  
  After successfully generating the characteristics, re-attempt the operation that triggered the error.
  
  
  
  Consult Documentation:
  
  If you are unsure about the steps or the configuration, refer to SAP documentation or help resources specific to Variant Configuration.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CU50 (Configuration Profile), CU01 (Create Characteristics), and CU02 (Change Characteristics).
  SAP Notes: Check SAP Notes for any updates or patches related to Variant Configuration and characteristic generation.
  Training and Documentation: Consider training sessions or documentation on SAP Variant Configuration to better understand the processes involved.
  
  By following these steps, you should be able to resolve the KU391 error and successfully generate the necessary characteristics for your configurable material.