How To Fix MW443 - &1 &2: Supply source &3 is same as receiving plant &4

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 443

• Message text: &1 &2: Supply source &3 is same as receiving plant &4

What causes this issue?

The source of supply is the same as the receiving plant.

System Response

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

How to fix this error?

Maintain a different supply source.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW443 - &1 &2: Supply source &3 is same as receiving plant &4 ?

  The SAP error message MW443 indicates that there is an issue with the supply source being the same as the receiving plant in a material movement or procurement process. This typically occurs in scenarios where a material is being transferred or procured, and the system detects that the supply source (e.g., a vendor or storage location) is the same as the receiving plant.
  Cause:
  The error can occur due to several reasons:
  
  Incorrect Configuration: The supply source (vendor or storage location) is incorrectly set up in the system.
  Logical Error in Process: The business process may not allow for a supply source to be the same as the receiving plant, which can lead to confusion in inventory management.
  Data Entry Mistake: There may be a mistake in the data entry where the same plant is mistakenly entered as both the supply source and the receiving plant.
  
  Solution:
  To resolve the MW443 error, consider the following steps:
  
  
  Check the Supply Source Configuration:
  
  Verify the configuration of the supply source in the material master or vendor master data. Ensure that the supply source is correctly defined and is not the same as the receiving plant.
  
  
  
  Review the Purchase Order or Transfer Order:
  
  If this error occurs during the creation of a purchase order or transfer order, check the details of the order. Ensure that the supply source and receiving plant are correctly specified and are not the same.
  
  
  
  Adjust the Process:
  
  If the business process allows for a different supply source, adjust the order to use a different vendor or storage location that is not the same as the receiving plant.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific configurations or settings that may need to be adjusted to prevent this error.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like ME21N (Create Purchase Order), ME22N (Change Purchase Order), or MIGO (Goods Movement) to check and modify the relevant documents.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration settings.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to the supply source or receiving plant settings.
  
  By following these steps, you should be able to identify the cause of the MW443 error and implement a solution to resolve it.