How To Fix CU721 - Class type & not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CU - Variants / configuration messages

• Message number: 721

• Message text: Class type & not defined

What causes this issue?

You have entered a class type which is not defined.

System Response

The system checks whether the class type you entered exists.

How to fix this error?

Check your entries and have the class type created if required.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CU721 - Class type & not defined ?

  The SAP error message CU721 "Class type & not defined" typically occurs when you are trying to create or manage a classification system in SAP, and the system cannot find the specified class type. This can happen for various reasons, such as configuration issues or missing entries in the classification system.
  Cause:
  
  Missing Class Type Definition: The class type you are trying to use has not been defined in the system.
  Incorrect Class Type: The class type specified in your transaction or configuration is incorrect or misspelled.
  Authorization Issues: The user may not have the necessary authorizations to access the class type.
  Transport Issues: If the class type was recently transported from another system, it may not have been properly imported.
  
  Solution:
  
  
  Check Class Type Definition:
  
  Go to transaction code CL02 (Change Class) or CL01 (Create Class).
  Check if the class type you are trying to use is defined. If not, you may need to create it using CL01.
  
  
  
  Verify Class Type in Configuration:
  
  Use transaction code SPRO to access the SAP Reference IMG.
  Navigate to Logistics General > Material Master > Basic Settings > Define Class Types.
  Ensure that the class type you are trying to use is listed and properly configured.
  
  
  
  Check for Typos:
  
  Ensure that the class type is correctly spelled in your transaction or configuration settings.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access and manage the class types. This can be checked with your SAP security team.
  
  
  
  Transport Management:
  
  If the class type was recently transported, check the transport logs to ensure that it was successfully imported into the target system.
  
  
  
  Consult Documentation:
  
  If you are unsure about the class type or its purpose, refer to SAP documentation or consult with a functional consultant who specializes in classification.
  
  
  
  Related Information:
  
  Class Types: Class types in SAP are used to categorize objects in the classification system. Each class type can have its own set of characteristics.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01, CL02, CL03 (Display Class), and CL24 (Class Type Overview).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CU721.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.