Message type: E = Error
Message class:  KU - Costing: Rollup 
Message number: 381
Message text: Generate further characteristics for the characteristic structure
Go into Customizing and generate the characteristics for the product
drilldown.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message KU381, which states "Generate further characteristics for the characteristic structure," typically occurs in the context of creating or modifying characteristic structures in SAP's classification system. This error indicates that the system expects additional characteristics to be defined for a particular characteristic structure, but they are either missing or not properly configured.
Cause: Incomplete Characteristic Structure: The characteristic structure you are trying to use may not have all the required characteristics defined. Missing Dependencies: There may be dependencies or relationships between characteristics that have not been established. Incorrect Configuration: The configuration settings for the characteristic structure may not be set up correctly, leading to the system not recognizing the necessary characteristics.
Solution: Check Characteristic Structure: Go to the transaction code CT04 (for characteristics) or CT05 (for characteristic structures) and review the characteristic structure in question. Ensure that all required characteristics are defined and properly linked. Add Missing Characteristics: If you identify that certain characteristics are missing, you
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KU380 Characteristic structure has been generated
What causes this issue?  You did the following for the product drill-down: completed the characteristics for classification created a characteristic s...
KU379 No more characteristics need defining for the characteristic structure
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Erro...
KU382 Object characteristic must be regenerated for field &1 - &2
What causes this issue?  Characteristics are used in the product drilldown. A reference characteristic must be regenerated for field &V1& - &a...
KU383 Field &1 - &2 is not in the object characteristic table
What causes this issue?  An internal error occurred.System Response  The system issues an error message and will not allow you to continue with this t...
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