How To Fix MW319 - Plant & not maintained for generic material, but for variant (item &)

MW319 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 319

• Message text: Plant & not maintained for generic material, but for variant (item &)

What causes this issue?

In processing the generic material, you entered a different allocation
rule, plant group or plant or tried to delete previously entered
allocation rules, plant groups or plants.
The plant displayed in the message applies to a variant, but is not one
of the plants currently maintained (that is, after you made the change)
for the generic material.

System Response

For the variants of a generic material created using a matrix, the
system only allows you to use plants that are also valid for the generic
material.
This allows you to be able to call up the variant matrix for all plants
(for the generic material) at plant level.

How to fix this error?

Check your entries and make any necessary corrections.

Error message extract from SAP system. Copyright SAP SE.

MW319 - Details

• The SAP error message MW319 indicates that a plant is not maintained for a generic material, but it is required for a specific variant of that material. This typically occurs in the context of variant configuration, where a generic material (often referred to as a configurable material) is used to create specific variants based on customer requirements.
  
  Cause:
  
  Missing Plant Assignment: The generic material does not have a plant assignment in the material master data. This means that the system cannot determine where the material is to be produced or stored.
  Configuration Settings: The configuration settings for the material may not be properly set up, leading to the inability to assign a plant to the generic material.
  Material Type Restrictions: The material type of the generic material may have restrictions that prevent the assignment of a plant.
  
  
  Solution:
  
  
  Maintain Plant Data:
  
  Go to the Material Master (Transaction Code: MM02).
  Enter the generic material number and select the relevant