How To Fix CL571 - You cannot set up a hierarchy for class type &

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 571

• Message text: You cannot set up a hierarchy for class type &

What causes this issue?

You cannot set up a <DS:GLOS.class_hierarchy>hierarchy</> for class
type &V1&.

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?

In the IMG for classification, you can define for each class type
whether or not a class hierarchy can be set up for classes of this class
type.
If required, have the settings in the IMG changed for this class type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL571 - You cannot set up a hierarchy for class type & ?

  The SAP error message CL571, which states "You cannot set up a hierarchy for class type &," typically occurs when there is an attempt to create or modify a class hierarchy for a class type that does not support hierarchical structures. In SAP, class types are used to categorize classes, and not all class types allow for the creation of hierarchies.
  Cause:
  
  Unsupported Class Type: The class type you are trying to use does not support hierarchical structures. For example, class types like "001" (Material) or "002" (Customer) may not allow for hierarchies.
  Configuration Issues: There may be configuration settings in the system that restrict the creation of hierarchies for certain class types.
  Incorrect Class Type Assignment: The class type assigned to the class you are trying to create or modify may not be appropriate for hierarchical structures.
  
  Solution:
  
  Check Class Type: Verify the class type you are using. You can do this by navigating to the class in transaction code CL02 (Change Class) or CL03 (Display Class) and checking the class type.
  Use a Supported Class Type: If you need to create a hierarchy, consider using a class type that supports hierarchical structures, such as class type "300" (General Class).
  Review Configuration: If you believe the class type should support hierarchies, review the configuration settings in the Customizing (SPRO) to ensure that the class type is set up correctly.
  Consult Documentation: Refer to SAP documentation or help resources to understand the limitations and capabilities of different class types.
  
  Related Information:
  
  Class Types in SAP: Class types define the characteristics and behavior of classes in the SAP system. Each class type has specific attributes and capabilities.
  Transaction Codes: Familiarize yourself with transaction codes like CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing classes.
  SAP Notes: Check SAP Notes for any known issues or updates related to class types and hierarchies.
  SAP Community: Engage with the SAP Community for insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CL571 error and successfully manage your class hierarchies in SAP.