How To Fix CLHP040 - Select one class only

CLHP040 - Overview

• Message type: E = Error

• Message class: CLHP - Graphical Class Maintenance

• Message number: 040

• Message text: Select one class only

What causes this issue?

You have selected more than one class. In this function, you can only
select one class.

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?

Select one class only and try again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CLHP040 - Details

• The SAP error message CLHP040: "Select one class only" typically occurs in the context of class management within the SAP system, particularly when working with class hierarchies or when trying to perform operations that require a single class selection.
  
  Cause:
  This error usually arises when a user attempts to select multiple classes in a scenario where only one class is expected. This can happen in various transactions or reports related to class management, such as when creating or modifying class attributes, or when trying to assign characteristics to a class.
  
  Solution:
  To resolve the CLHP040 error, follow these steps:
  
  
  Check Your Selection: Ensure that you are selecting only one class at a time. If you have multiple classes selected, deselect all but one.
  
  
  Review Transaction Steps: If you are following a specific transaction or process, review the steps to ensure that you are in the correct part of the process that allows for single class selection.
  
  
  Use