How To Fix WN456 - For plant category &1 a supplier should be created for the plant

WN456 - Overview

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 456

• Message text: For plant category &1 a supplier should be created for the plant

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 WN456 - For plant category &1 a supplier should be created for the plant ?

  The SAP error message WN456 indicates that a supplier (vendor) needs to be created for a specific plant category in the system. This error typically arises in the context of procurement or materials management when a purchasing document is being processed, and the system cannot find a valid supplier for the specified plant.
  
  Cause:
  
  Missing Vendor Master Data: The primary cause of this error is that there is no vendor master record created for the specified plant category. The system requires a vendor to be associated with the plant to proceed with procurement activities.
  Plant-Specific Vendor Assignment: The vendor may exist in the system, but it is not assigned to the specific plant category that is being referenced in the transaction.
  Incorrect Plant Category: The plant category specified may not be correctly set up in the system, leading to the inability to find a corresponding vendor.
  
  
  Solution:
  
  
  Create Vendor Master Record:
  
  Navigate to the vendor master data