How To Fix CLHP040 - Select one class only

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLHP040 - Select one class only ?

  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 Filters: If you are using a selection screen or a report, apply filters to narrow down your selection to a single class.
  
  
  Consult Documentation: If you are unsure about the process, refer to the SAP documentation or help files related to class management for guidance on how to properly select and manage classes.
  
  
  Check for Customizations: If your SAP system has custom developments or enhancements, check with your SAP administrator or developer to see if there are any specific requirements or limitations regarding class selection.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to class management, such as CL02 (Change Class), CL03 (Display Class), or CL01 (Create Class).
  Class Types: Understand the different types of classes in SAP (e.g., object classes, characteristic classes) and their specific requirements.
  SAP Notes: Check SAP Notes for any known issues or patches related to class management that might address this error.
  User Permissions: Ensure that you have the necessary permissions to perform actions related to class management, as restrictions may lead to unexpected behavior.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team for further assistance.