How To Fix CL479 - Only one object can be used in this mode

CL479 - Overview

• Message type: E = Error

• Message class: CL - Classification

• Message number: 479

• Message text: Only one object can be used in this mode

What causes this issue?

This application can only copy one object from the search result.

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 object to copy.
If you want to copy more than one object from the class in Variant
Configuration, you must set the <LS>Multiple selection</> indicator in
the additional data for the class.

Error message extract from SAP system. Copyright SAP SE.

CL479 - Details

• The SAP error message CL479 ("Only one object can be used in this mode") typically occurs in the context of class or object-oriented programming within the ABAP environment. This error indicates that the operation you are trying to perform is not allowed because it involves multiple objects when only one is permitted.
  
  Cause:
  The error can arise in several scenarios, such as:
  
  Method Calls: When you are trying to call a method that is designed to work with a single instance of a class, but you are passing multiple instances or trying to use it in a way that implies multiple objects.
  Inheritance Issues: If you are trying to use a base class method that is not designed to handle multiple derived class instances.
  Static Methods: Attempting to use a static method in a way that implies instance-level operations.
  
  
  Solution:
  To resolve the CL479 error, consider the following steps:
  
  
  Review the Code: Check the line of code where