How To Fix KOSA301 - Production process already exists for the characteristic values

KOSA301 - Overview

• Message type: E = Error

• Message class: KOSA - Product Cost Collector

• Message number: 301

• Message text: Production process already exists for the characteristic values

What causes this issue?

<DS:GLOS.3559911290FA5063E10000009B38F984>Production processes</> are
defined through the values of characteristics. The characteristics are
determined through a
<DS:GLOS.36F138F91B385A9EE10000009B38F984>Controlling level</> that you
create for the plant material.
A production process already exists for the characteristic values for
one of the following reasons:
You have already created a <DS:GLOS.product_cost_collector>product cost
collector</> with the same characteristic values (such as for a
specific production version of a plant material).
You have already manually created a production process with the same
characteristic values.
You have already created a mixed cost estimate for the same
characteristic values.
You have already created a production order for the same characteristic
values.

System Response

The system does not create a production process.

How to fix this error?

Use the production process that already exists.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message KOSA301 - Production process already exists for the characteristic values ?

  The SAP error message KOSA301 ("Production process already exists for the characteristic values") typically occurs in the context of SAP's Production Planning (PP) or Variant Configuration (VC) modules. This error indicates that there is an attempt to create or modify a production process for a set of characteristic values that already has an existing production process defined.
  
  Cause:
  
  Duplicate Entry: The primary cause of this error is that the system has detected that a production process for the specified characteristic values already exists in the database.
  Incorrect Data Entry: There may be an attempt to enter data that conflicts with existing entries, such as trying to create a new production process for a variant that already has one.
  
  Configuration Issues: There may be issues with how the characteristics and values are configured in the system, leading to conflicts.
  
  
  Solution:
  
  
  Check Existing Production Processes: 
  
  Navigate to the relevant transaction (e.g., transaction code CO01 for creating production orders)