How To Fix CL281 - Generation not possible - no index characteristics exist for class &

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 281

• Message text: Generation not possible - no index characteristics exist for class &

What causes this issue?

You cannot generate a table without index characteristics.

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?

Go to <DS:TRAN.CL02>Class Management</> and set the <ZH>Index relevant
</> indicator on the <ZH>Char.</> tab for each characteristic that is
relevant to generation. Ensure that you do not select more than 12
characteristics.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL281 - Generation not possible - no index characteristics exist for class & ?

  The SAP error message CL281 ("Generation not possible - no index characteristics exist for class &") typically occurs when you are trying to generate a class in the SAP system, but the class does not have any index characteristics defined. This can prevent the generation of the class, as the system requires certain characteristics to be indexed for proper functionality.
  Cause:
  
  Missing Index Characteristics: The class you are trying to generate does not have any characteristics defined as index characteristics. Index characteristics are essential for the generation process as they help in organizing and retrieving data efficiently.
  Incorrect Class Configuration: The class may not be configured correctly, leading to the absence of necessary characteristics.
  Technical Issues: There could be underlying technical issues or inconsistencies in the system that prevent the generation of the class.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Class Characteristics:
  
  Go to the class in transaction code CL02 (Change Class).
  Verify if there are any characteristics defined for the class.
  If there are no characteristics, you need to create them.
  
  
  
  Define Index Characteristics:
  
  If characteristics exist, ensure that at least one of them is marked as an index characteristic.
  To do this, go to transaction code CT04 (Change Characteristic) and check the properties of the characteristics associated with the class.
  Set the "Index" checkbox for the characteristics that you want to be indexed.
  
  
  
  Re-generate the Class:
  
  After ensuring that index characteristics are defined, try to generate the class again using transaction code CL20N (Generate Class).
  
  
  
  Check for Technical Issues:
  
  If the problem persists, check for any system inconsistencies or errors in the logs that might be affecting the generation process.
  You may need to consult with your SAP Basis team or check SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CL02: Change Class
  CT04: Change Characteristic
  CL20N: Generate Class
  
  
  SAP Documentation: Refer to SAP Help Portal for detailed documentation on class management and characteristics.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to class generation and characteristics.
  
  By following these steps, you should be able to resolve the CL281 error and successfully generate the class in SAP.