How To Fix WRF_APC564 - Supplier &1 is not assigned to material &2; choose another supplier

WRF_APC564 - Overview

• Message type: E = Error

• Message class: WRF_APC - Messages for Operational Assortment Planning and Control

• Message number: 564

• Message text: Supplier &1 is not assigned to material &2; choose another supplier

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_APC564 - Supplier &1 is not assigned to material &2; choose another supplier ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_APC564 Supplier &1 is not assigned to material &2; choose another supplier
  
  Meaning / 
  Cause:
  This error occurs when you try to perform a transaction or process in SAP (such as creating or changing a purchase order, scheduling agreement, or other procurement documents) where the specified supplier (&1) is not assigned or linked to the material (&2) in the system.
  In SAP, for procurement processes, the system expects that the supplier is maintained as a valid source of supply for the material. If the supplier is not assigned to the material in the material master or source list, the system throws this error to prevent incorrect or unauthorized procurement.
  
  Common Scenarios Where This Error Occurs:
  
  Creating a Purchase Order (PO) for a material with a supplier not assigned in the source list or info record.
  Using a supplier in MRP or procurement proposals that is