How To Fix OM518 - Select at least one cost component split

OM518 - Overview

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 518

• Message text: Select at least one cost component split

What causes this issue?

To use the actual cost component split, you must have selected at least
one type of cost component split.

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 either the main cost component split, the auxiliary cost
component split, or both types of cost component split.

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 OM518 - Select at least one cost component split ?

  The SAP error message OM518 ("Select at least one cost component split") typically occurs in the context of cost planning or cost allocation in SAP, particularly when working with cost component splits in controlling (CO) or product costing (CO-PC). This error indicates that the system requires at least one cost component to be selected for the operation you are trying to perform.
  
  Cause:
  
  No Cost Component Selected: The most common cause of this error is that the user has not selected any cost components in the relevant screen or transaction.
  
  Configuration Issues: There may be issues with the configuration of cost components in the system, such as missing or incorrectly defined cost component structures.
  Data Entry Errors: Users may inadvertently skip selecting cost components due to oversight or misunderstanding of the interface.
  
  
  Solution:
  
  Select Cost Components: Ensure that at least one cost component is selected in the relevant transaction or screen. This is usually done in