How To Fix CLHP004 - Class & & has assignments. Display mode activited

CLHP004 - Overview

• Message type: E = Error

• Message class: CLHP - Graphical Class Maintenance

• Message number: 004

• Message text: Class & & has assignments. Display mode activited

What causes this issue?

You want to change a class hierarchy that contains a class with object
assignments. This is not possible.

System Response

The system automatically activates display mode.

How to fix this error?

You can change the class hierarchy in the <ZH>Assign Class to Superior
Classes</> maintenance function.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

CLHP004 - Details

• The SAP error message CLHP004 indicates that a class has assignments and is currently in display mode. This typically occurs when you attempt to display a class in the Class Builder (transaction code SE11 or SE24) that has dependent objects, such as methods, attributes, or other classes that reference it.
  
  Cause:
  
  Class Assignments: The class you are trying to display has assignments to other objects, which means it is not in a state that allows for modifications.
  Display Mode: The system is set to display mode, which restricts any changes to the class or its assignments.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Class Assignments:
  
  Use transaction SE24 (Class Builder) to check the class and its assignments. Look for any methods, attributes, or other classes that are linked to it.
  
  
  
  Change to Change Mode:
  
  If you need to make changes to the class, ensure you are in change mode. You can do this by:
  Going