How To Fix CO791 - Production cost collector exists - joint production is not allowed

CO791 - Overview

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 791

• Message text: Production cost collector exists - joint production is not allowed

What causes this issue?

The production order or process order is linked to a product cost
collector. A later change of the order to manufacturing with
co-products is therefore not permitted.

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?

You should cancel the indicator "Co-product".

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CO791 - Details

• The SAP error message CO791 ("Production cost collector exists - joint production is not allowed") typically occurs in the context of production orders and cost collectors in SAP's Controlling (CO) module, particularly when dealing with joint production scenarios. This error indicates that there is an attempt to create or process a production cost collector for a joint production scenario, which is not permitted in the current configuration.
  
  Cause:
  
  Joint Production Configuration: The system is configured to handle joint production, but the production cost collector already exists for the specified production order or cost object.
  Cost Collector Settings: The settings for the production cost collector may not allow for joint production, leading to this error when trying to create or process it.
  Incorrect Order Type: The order type being used may not support joint production, or it may not be configured correctly in the system.
  
  
  Solution:
  
  Check Production Order: Verify the production order associated with the cost