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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message KW745 - You cannot copy more than one reference object to one target object ?

  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 are only selecting one reference object to copy to the target object. If you have selected multiple objects, deselect all but one.
  
  
  Review Transaction: Verify the transaction or process you are using. Make sure it is designed to handle only one reference object at a time.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction you are using to understand the limitations and requirements.
  
  
  Configuration Review: If you believe the configuration might be causing the issue, consult with your SAP Basis or CO module consultant to review the settings.
  
  
  Error Logs: Check the system logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  Testing: If you are in a development or testing environment, try replicating the issue with different reference objects to see if the problem persists.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training: If this error is common in your organization, consider providing training for users on how to properly use the relevant transactions to avoid this error in the future.
  
  By following these steps, you should be able to identify the cause of the KW745 error and implement a solution to resolve it.