How To Fix CL645 - Characteristic & not in class on &

CL645 - Overview

• Message type: E = Error

• Message class: CL - Classification

• Message number: 645

• Message text: Characteristic & not in class on &

What causes this issue?

You want to delete characteristic &v1& from the class on &v2&. However,
the characteristic is not in the class on this date.

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?

If you want to delete the characteristic from the class, enter a date
when the characteristic is used in the class.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL645 - Characteristic & not in class on & ?

  The SAP error message "CL645 Characteristic & not in class on &" typically occurs when you are trying to assign a characteristic to a class in the classification system, but the characteristic is not defined in the specified class. This can happen in various scenarios, such as when creating or modifying classes or characteristics in the SAP system.
  
  Cause:
  
  Characteristic Not Defined: The characteristic you are trying to use has not been defined in the class you are working with.
  Incorrect Class Assignment: The characteristic may belong to a different class or may not be assigned to any class at all.
  Typographical Error: There may be a typo in the characteristic name or class name.
  Authorization Issues: The user may not have the necessary authorizations to view or modify the characteristic in the specified class.
  
  
  Solution:
  
  
  Check Characteristic Definition:
  
  Go to the transaction code CT04 (for characteristics) and verify that the characteristic exists and is correctly defined.
  Ensure that