How To Fix WG449 - PO &1 rejected: multiple use

WG449 - Overview

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 449

• Message text: PO &1 rejected: multiple use

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG449 - PO &1 rejected: multiple use ?

  SAP Error Message:
  WG449 PO &1 rejected: multiple use
  
  Meaning / 
  Cause:
  This error occurs when a Purchase Order (PO) number is being used multiple times in a context where it is expected to be unique. Typically, this happens during Goods Receipt (GR) or Invoice Verification processes where the system detects that the PO number has already been referenced or processed, and the current transaction attempts to reuse it in a way that is not allowed.
  Common scenarios include:  
  
  Attempting to post a goods receipt or invoice referencing the same PO item multiple times incorrectly.  
  Using a PO number in a process that requires unique document references, but the PO number is duplicated.  
  Configuration or master data issues where the PO number is not properly controlled for uniqueness in the relevant process.
  
  
  Where it occurs:
  
  Goods Receipt (MIGO)  
  Invoice Verification (MIRO)  
  Other procurement-related transactions involving PO references
  
  
  Solution / How to fix:
  
  
  Check