How To Fix CLHP059 - The selected class has no subordinate classes

SAP Error Message - Details

• Message type: E = Error

• Message class: CLHP - Graphical Class Maintenance

• Message number: 059

• Message text: The selected class has no subordinate classes

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CLHP059 - The selected class has no subordinate classes ?

  The SAP error message CLHP059 indicates that the selected class does not have any subordinate classes. This typically occurs in the context of class hierarchies in SAP, particularly when working with classification systems or object-oriented programming in ABAP.
  Cause:
  
  No Subordinate Classes Defined: The primary reason for this error is that the class you are trying to access or manipulate does not have any subordinate (or child) classes defined in the class hierarchy.
  Incorrect Class Selection: You may have selected a class that is not intended to have subclasses, or you may have navigated to a class that is at the top level of the hierarchy.
  Data Inconsistency: There might be an issue with the data in the classification system, where the expected relationships between classes are not properly defined.
  
  Solution:
  
  Check Class Hierarchy: Verify the class hierarchy to ensure that the selected class is supposed to have subordinate classes. You can do this by navigating to the class in the SAP GUI and checking its properties.
  Create Subordinate Classes: If you need subordinate classes, you can create them by defining new classes under the selected class. This can be done in the class maintenance transaction (e.g., CL02 for class maintenance).
  Review Class Definitions: Ensure that the class definitions are correct and that the relationships between classes are properly established.
  Consult Documentation: If you are unsure about the class structure, refer to the SAP documentation or consult with a colleague who has experience with the classification system in your SAP environment.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CL02 (Change Class) or CL03 (Display Class) to manage and view class definitions.
  Class Types: Understand the different types of classes in SAP (e.g., reference classes, object classes) and how they relate to one another.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to class hierarchies or classification errors.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to resolve the CLHP059 error and ensure that your class hierarchy is correctly set up.