How To Fix M8462 - Check if invoice already entered as logistics inv. doc. number & &

M8462 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 462

• Message text: Check if invoice already entered as logistics inv. doc. number & &

What causes this issue?

The duplicate invoice entry check has been activated in the supplier
master record for the supplier for which you are entering an invoice.
In Logistics Invoice Verification, an invoice has already been entered
under the number &V1&. The data matches the data in your current invoice
as follows:
Company code
Document date
Reference
Currency
Creditor
Amount
The relevant accounting document does not exist.
It can therefore be assumed that the invoice was entered twice in
Logistics Invoice Verification.
INCLUDE MM_IV_MELDUNGEN OBJECT DOKU ID TX

How to fix this error?

Check your entries and make any necessary corrections. If your entries
are correct, compare the current invoice with the invoice posted under
logistics invoice document &V1&.

Error message extract from SAP system. Copyright SAP SE.

M8462 - Details

• The SAP error message M8462, which states "Check if invoice already entered as logistics inv. doc. number & &," typically occurs during the invoice verification process in the Materials Management (MM) module. This error indicates that the system has detected that an invoice with the same logistics invoice document number has already been entered into the system.
  
  Cause:
  
  Duplicate Invoice Entry: The most common cause of this error is that the invoice has already been processed in the system, and the same logistics invoice document number is being used again.
  Incorrect Document Number: There may be a mistake in the document number being entered, leading to confusion with an existing invoice.
  System 
  Configuration Issues: In some cases, configuration settings in the SAP system may lead to issues with how invoices are processed and checked for duplicates.
  
  
  Solution:
  
  
  Check Existing Invoices: 
  
  Use transaction codes like MIRO (Invoice Verification) or MRBR (Release Blocked Invoices) to check if the