How To Fix CL652 - Select at least one line for the object comparison

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 652

• Message text: Select at least one line for the object comparison

What causes this issue?

You want to carry out an object comparison. To do this, you need to
select at least one line with a class in common.

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?

Please select at least one line with a class in common.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL652 - Select at least one line for the object comparison ?

  The SAP error message CL652 ("Select at least one line for the object comparison") typically occurs in the context of object comparison in the SAP system, particularly when working with transport requests or when comparing objects in the ABAP Workbench. This error indicates that the system expects at least one line (or object) to be selected for comparison, but none has been selected.
  Cause:
  
  No Selection Made: The most common cause of this error is that the user has not selected any objects or lines in the comparison screen.
  Filter Settings: Sometimes, the filter settings may be too restrictive, leading to no objects being displayed for selection.
  User Interface Issue: There may be a temporary glitch in the user interface that prevents the selection of objects.
  
  Solution:
  
  Select Objects: Ensure that you select at least one object or line in the comparison screen before proceeding. Look for checkboxes or selection options next to the objects you want to compare.
  Adjust Filters: If you are using filters to narrow down the objects displayed, consider adjusting or removing them to ensure that objects are visible and selectable.
  Refresh the Screen: If you suspect a UI issue, try refreshing the screen or navigating away and back to the comparison screen.
  Check Authorizations: Ensure that you have the necessary authorizations to view and select the objects you are trying to compare.
  Consult Documentation: If the issue persists, refer to SAP documentation or help resources for specific guidance related to the transaction or function you are using.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to object comparison, such as SE80 (Object Navigator), SE11 (Data Dictionary), or SE37 (Function Builder).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Consider visiting SAP Community forums or other user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem continues after trying the above solutions, it may be beneficial to contact your SAP support team for further assistance.