How To Fix O3342 - Change of conversion group changes the product type

O3342 - Overview

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 342

• Message text: Change of conversion group changes the product type

What causes this issue?

You attempt to change the conversion group of the material. The product
types of the old and new conversion group are different.

System Response

The system issues this warning message. You can continue processing.

How to fix this error?

Make sure that the change of the conversion group makes sense.
Example:
A change from product type 2 "Oil products (gasoline, diesel, etc.)" to
5 "Asphalt" may be meaningful, since with release 4.6B new conversion
groups for asphalt have been delivered.
A change from product type 1 "Crude oil" to product type 6 "Natural
gas" does not appear to make any sense and may lead to errors when
goods movements are posted.

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 O3342 - Change of conversion group changes the product type ?

  The SAP error message O3342, which states "Change of conversion group changes the product type," typically occurs in the context of material master data management, particularly when dealing with the conversion of units of measure or product types in SAP.
  
  Cause:
  This error usually arises when there is an attempt to change the conversion group of a material that would result in a change of its product type. The product type in SAP is a classification that determines how a material is treated in various processes, such as inventory management, sales, and production. Changing the conversion group can affect how the system interprets the material's characteristics, leading to inconsistencies.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review the Material Master Data: Check the material master data for the product in question. Ensure that the conversion group you are trying to assign is appropriate for the current product type.
  
  
  Check Product Type Compatibility: Verify that