How To Fix KW745 - You cannot copy more than one reference object to one target object

KW745 - Overview

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 745

• Message text: You cannot copy more than one reference object to one target object

What causes this issue?

Although you input only one target object, you specified more than one
object as reference through the application of a group.

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 compare the number of reference objects to that of the target
objects.
The following combinations are allowed:
Reference Target
Object: Object, Group, corresponding reference
Group: corresponding reference
Copy all: corresponding reference

Error message extract from SAP system. Copyright SAP SE.

KW745 - Details

• The SAP error message KW745, "You cannot copy more than one reference object to one target object," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with cost objects, such as cost centers, internal orders, or projects. This error indicates that there is an attempt to copy multiple reference objects (like cost centers or internal orders) to a single target object, which is not allowed in the system.
  
  Cause:
  The error arises when:
  
  Multiple Reference Objects: You are trying to copy more than one reference object to a single target object in a transaction or process that only allows one reference object at a time.
  Incorrect Configuration: The configuration settings in the system may not allow for the operation you are attempting.
  User Error: The user may have inadvertently selected multiple objects when only one is permitted.
  
  
  Solution:
  To resolve the KW745 error, you can take the following steps:
  
  
  Check Selection: Ensure that you