How To Fix KU378 - Characteristic structure already generated

KU378 - Overview

• Message type: E = Error

• Message class: KU - Costing: Rollup

• Message number: 378

• Message text: Characteristic structure already generated

What causes this issue?

It is not necessary to generate the characteristics for the product
drilldown.

Error message extract from SAP system. Copyright SAP SE.

KU378 - Details

• The SAP error message KU378, which states "Characteristic structure already generated," typically occurs in the context of SAP's variant configuration (VC) when you attempt to generate a characteristic structure for a configurable material that has already been generated. This can happen during the configuration of materials where characteristics and their values are defined.
  
  Cause:
  The error is triggered when:
  
  You try to generate a characteristic structure for a material that already has a characteristic structure generated.
  There may be an attempt to regenerate the structure without first deleting or modifying the existing one.
  The system may be in a state where it does not allow changes to the characteristic structure due to certain settings or locks.
  
  
  Solution:
  To resolve the KU378 error, you can follow these steps:
  
  
  Check Existing Characteristic Structure:
  
  Go to the transaction code CU50 (or CU51 for display) to check if a characteristic structure already exists for the material in question.
  If it exists, you may need