How To Fix M8668 - Invoice reduction upper limit is less than positive small difference

M8668 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 668

• Message text: Invoice reduction upper limit is less than positive small difference

What causes this issue?

You have entered an invoice reduction upper limit &V1& that is less
than the positive small difference &V2&.

System Response

With this setting, the invoice reduction upper limit has no meaning and
is therefore ignored. Such a setting does not make sense.

How to fix this error?

Please correct your entries.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

M8668 - Details

• The SAP error message M8668, "Invoice reduction upper limit is less than positive small difference," typically occurs in the context of invoice verification and processing in the Materials Management (MM) module. This error indicates that the system has detected a discrepancy between the invoice amount and the purchase order amount that exceeds the allowable limits set in the system.
  
  Cause:
  
  Invoice Amount Discrepancy: The invoice amount submitted for payment is higher than the purchase order amount, and the difference exceeds the defined tolerance limits.
  Tolerance Limits: SAP has predefined tolerance limits for invoice verification, which can be configured in the system. If the difference between the invoice and the purchase order exceeds these limits, the error will be triggered.
  Configuration Settings: The settings for tolerance limits may not be appropriately configured for the specific vendor or purchasing organization.
  
  
  Solution:
  
  Review the Invoice and Purchase Order: Check the invoice details and compare them with the corresponding purchase