How To Fix VMP_MSG291 - Quantity change of conflicted item(replaced material) is not possible

VMP_MSG291 - Overview

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 291

• Message text: Quantity change of conflicted item(replaced material) is not possible

Self-Explanatory Message

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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 VMP_MSG291 - Quantity change of conflicted item(replaced material) is not possible ?

  Certainly! Here's a detailed explanation regarding the SAP error message VMP_MSG291: "Quantity change of conflicted item (replaced material) is not possible":
  
  Error Message:
  VMP_MSG291: Quantity change of conflicted item (replaced material) is not possible
  
  
  Cause:
  This error occurs in the Variant Configuration (LO-VC) or Variant Management Process when you try to change the quantity of an item that has been replaced due to a conflict resolution in the configuration process.
  
  In SAP Variant Configuration, when a conflict arises between characteristics or dependencies, the system may replace one material with another (a "replaced material") to resolve the conflict.
  Once the system has replaced the original item with a conflicting item, the quantity of this replaced item becomes fixed and cannot be changed manually.
  Attempting to change the quantity of such a replaced/conflicted item triggers this error.
  
  
  When does it typically occur?
  
  During sales order processing or production order creation involving configurable materials.
  When the system automatically replaces a material due to