How To Fix KOSA138 - Actual costing variant was not changed in product cost collector &1

KOSA138 - Overview

• Message type: E = Error

• Message class: KOSA - Product Cost Collector

• Message number: 138

• Message text: Actual costing variant was not changed in product cost collector &1

What causes this issue?

Changing the <LS>actual</> <LS>
<DS:GLOS.3526B726AFAB52B9E10000009B38F974>costing variant</></> was not
accepted by product cost collector <(>&<)>
V1<(>&<)> (plant <(>&<)>V2<(>&<)>, material <(>&<)>V3<(>&<)>, short
text <(>&<)>V4<(>&<)>), as postings have already been made to the
product cost collector.

System Response

The system does not undertake any changes.

How to fix this error?

You can only change the actual costing variant if no postings have been
made to the product cost collector.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

KOSA138 - Details

• The SAP error message KOSA138 indicates that the actual costing variant for a product cost collector has not been changed. This typically occurs in the context of product costing and actual costing processes within SAP, particularly when dealing with cost collectors in the Controlling (CO) module.
  
  Cause:
  
  Incorrect Configuration: The actual costing variant may not be properly configured in the system.
  Locked or Inactive Cost Collector: The product cost collector might be locked or inactive, preventing changes.
  Authorization Issues: The user may not have the necessary authorizations to change the actual costing variant.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the system from allowing changes to the actual costing variant.
  
  
  Solution:
  
  
  Check Configuration:
  
  Verify the configuration of the actual costing variant in the system. Ensure that it is set up correctly in the controlling area and is assigned to the relevant product cost collectors.
  
  
  
  Review Cost Collector Status:
  
  Check the status of the product cost