How To Fix MW412 - &1 &2: Supplier &3 and plant &4 are identical

MW412 - Overview

• Message type: E = Error

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

• Message number: 412

• Message text: &1 &2: Supplier &3 and plant &4 are identical

What causes this issue?

The receiving plant and the source of supply are the same.

System Response

The allocation table cannot be saved.

How to fix this error?

Please maintain a different vendor as the source of supply.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW412 - &1 &2: Supplier &3 and plant &4 are identical ?

  The SAP error message MW412 indicates that there is an issue with the supplier and plant being identical in a material document or transaction. This typically occurs when you are trying to create or process a material document (like a goods receipt or transfer posting) where the supplier and the plant are the same, which is not allowed in SAP.
  
  Cause:
  The error arises when:
  
  You are trying to post a transaction that involves a supplier and a plant that are the same entity. For example, if you are trying to receive goods from a supplier into the same plant that the supplier is associated with, SAP will throw this error.
  This can happen due to incorrect master data setup or during the processing of a transaction where the supplier and plant are incorrectly linked.
  
  
  Solution:
  To resolve the MW412 error, you can take the following steps:
  
  
  Check Master Data:
  
  Verify the vendor (supplier) master data and ensure