How To Fix WGDS_ENH128 - Material group can be changed only after saving the converted variants

WGDS_ENH128 - Overview

• Message type: E = Error

• Message class: WGDS_ENH -

• Message number: 128

• Message text: Material group can be changed only after saving the converted variants

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WGDS_ENH128 - Material group can be changed only after saving the converted variants ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WGDS_ENH128: Material group can be changed only after saving the converted variants
  
  
  Cause:
  This error occurs in the Variant Configuration (LO-VC) context, specifically when working with classification characteristics or material groups in the variant configuration master data or during the conversion of variant characteristics/values.
  
  The system is designed to prevent changes to the Material Group field while there are unsaved or uncommitted changes in the converted variants or characteristics.
  The converted variants refer to the internal data structures or tables that hold the variant characteristics and their values after conversion from classification data.
  If you try to change the material group before saving these converted variants, the system throws this error to maintain data consistency and integrity.
  
  
  When does it typically occur?
  
  During the conversion or update of variant characteristics in the classification system.
  When modifying the material group in the material master or variant configuration master