How To Fix FI_E149 - Invoice &1 already exists with reference number &2

FI_E149 - Overview

• Message type: E = Error

• Message class: FI_E - Message Class for FM English Developers

• Message number: 149

• Message text: Invoice &1 already exists with reference number &2

What causes this issue?

You have the Prompt Payment Act function active for your company code.
Invoice &1 already exists for the entered reference number.

System Response

Customer BAdI named PPA_CUST_BADI provided to set response when vendor
document reference number (XBLNR) already exists in table BKPF. Without
an active implementation, the warning message "Invoice &1 already
exists with reference number &2" appears.

How to fix this error?

Corrected invoices received from the vendor would reference the
original vendor reference number. Clarify whether this is a returned
invoice and change existing invoice &1 as appropriate.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

FI_E149 - Details

• The SAP error message FI_E149, which states "Invoice &1 already exists with reference number &2," typically occurs in the Financial Accounting (FI) module when you attempt to post an invoice that has already been recorded in the system with the same reference number. This is a safeguard to prevent duplicate entries in the financial records.
  
  Cause:
  
  Duplicate Invoice Entry: The most common cause is that the invoice you are trying to post has already been entered into the system with the same reference number.
  Incorrect Reference Number: You may have mistakenly entered the same reference number for different invoices.
  System Configuration: In some cases, the system may be configured to prevent duplicate entries based on specific criteria, including reference numbers.
  
  
  Solution:
  
  
  Check Existing Invoices: Before posting a new invoice, check the existing invoices in the system to see if the invoice with the same reference number already exists. You can do this by using transaction codes