How To Fix CPWB423 - Variant BOMs can only be changed in group mode

CPWB423 - Overview

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 423

• Message text: Variant BOMs can only be changed in group mode

Self-Explanatory Message

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CPWB423 - Details

• The SAP error message CPWB423, which states "Variant BOMs can only be changed in group mode," typically occurs when you are trying to modify a Variant Bill of Materials (BOM) in a way that is not permitted in the current mode of operation. Variant BOMs are used in SAP to manage different configurations of a product, allowing for flexibility in production.
  
  Cause:
  The error arises because:
  
  Single Item Mode: You are attempting to change a Variant BOM in single item mode instead of group mode. Variant BOMs require that changes be made in group mode to ensure that all relevant configurations are handled together.
  Incorrect Transaction: You might be using a transaction that does not support the modification of Variant BOMs in the way you are attempting.
  
  
  Solution:
  To resolve this error, you should switch to group mode when working with Variant BOMs. Here are the steps to do this:
  
  
  Access the Correct Transaction: Make sure you