How To Fix MW318 - Plant & not maintained for generic material in alloc tbl

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 318

• Message text: Plant & not maintained for generic material in alloc tbl

What causes this issue?

Plant &V1& has not been maintained in the present allocation table for
the generic material.
In processing a variant, you either entered the plant manually or you
used a plant group or allocation rule in which the plant appears.

System Response

For the variants of a generic material that were created using a
variant matrix, the system only allows you to use plants that are 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?

Correct what you entered or maintain the plant valid for the generic
material.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW318 - Plant & not maintained for generic material in alloc tbl ?

  The SAP error message MW318 ("Plant & not maintained for generic material in allocation table") typically occurs when you are trying to perform a transaction involving a generic material (a material that is not specific to a particular plant) but the system cannot find the necessary plant-specific data in the allocation table.
  Cause:
  
  Generic Material: The material in question is a generic material, which means it does not have specific data assigned to a particular plant.
  Missing Plant Data: The allocation table does not have an entry for the specified plant for the generic material. This can happen if the material was created without specifying plant data or if the plant data was not maintained properly.
  Configuration Issues: There may be configuration issues in the material master or allocation table settings that prevent the system from recognizing the plant for the generic material.
  
  Solution:
  
  
  Maintain Plant Data:
  
  Go to the Material Master (Transaction Code: MM02).
  Enter the generic material number and select the relevant views (e.g., Basic Data, Plant Data).
  Ensure that the plant-specific data is maintained for the generic material. If the material is intended to be used in a specific plant, you need to create or update the plant-specific data.
  
  
  
  Check Allocation Table:
  
  Use Transaction Code: MD04 or similar to check the allocation table for the generic material.
  Ensure that there is an entry for the plant in question. If not, you may need to create an entry.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the material master and allocation tables in the SAP system. Ensure that the settings allow for the maintenance of plant-specific data for generic materials.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on managing generic materials and allocation tables.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: MM02 (Change Material), MD04 (Stock/Requirements List), MM03 (Display Material).
  Material Master Views: Basic Data, Plant Data, and other relevant views that may need to be updated.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the MW318 error and ensure that the necessary plant data is maintained for the generic material in the allocation table.