How To Fix M8665 - Automatic invoice reduction and automatic acceptance set

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 665

• Message text: Automatic invoice reduction and automatic acceptance set

What causes this issue?

You have entered tolerance limits for automatic invoice reduction and
automatic acceptance.

System Response

Which of these tolerance limits the system checks when there is a
positive Invoice Verification difference depends on the following
conditions.
Normally, if you make this setting, the system tries to reduce the
invoice automatically, The tolerance limits for automatic acceptance are
not then taken into account.
In the following cases, the system does not try to reduce the invoice.
Here it tries to accept the invoice.
A credit memo is involved. Automatic invoice reduction can only be used
for invoices.
A supplier error (manual invoice reduction) was already entered at item
level.
An invoice difference was manually accepted at invoice header level.
There is a negative tax difference for one tax code.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8665 - Automatic invoice reduction and automatic acceptance set ?

  The SAP error message M8665 typically occurs in the context of invoice verification and processing within the Materials Management (MM) module. This error indicates that both automatic invoice reduction and automatic acceptance are set for the same invoice, which is not allowed.
  Cause:
  The error arises when the system detects that both automatic invoice reduction and automatic acceptance are configured for a particular invoice. This situation can occur due to:
  
  Configuration Settings: The settings in the invoice verification configuration may have been incorrectly set, allowing both options to be activated simultaneously.
  Invoice Document Type: The document type of the invoice may be configured to allow both automatic acceptance and reduction, leading to a conflict.
  Business Process: The business process may not be aligned with the system settings, causing discrepancies in how invoices are processed.
  
  Solution:
  To resolve the M8665 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for invoice verification in the SAP system (Transaction code: SPRO).
  Navigate to Materials Management > Invoice Verification > Define Automatic Invoice Reduction and Define Automatic Acceptance.
  Ensure that the settings do not allow both options to be activated for the same invoice type.
  
  
  
  Review Document Type Settings:
  
  Check the settings for the specific document type of the invoice in question (Transaction code: OMR6).
  Ensure that the document type is configured correctly to either allow automatic acceptance or automatic reduction, but not both.
  
  
  
  Adjust Business Processes:
  
  Review the business processes related to invoice processing to ensure they align with the system configuration.
  If necessary, update the processes to avoid situations where both automatic acceptance and reduction are triggered.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on invoice verification settings and best practices.
  
  
  
  Testing:
  
  After making changes, conduct tests to ensure that the error no longer occurs and that invoices are processed correctly.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MIRO (Invoice Verification) and SPRO (Customizing).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles: Ensure that users involved in invoice processing have the appropriate roles and authorizations to perform the necessary actions without triggering errors.
  
  By following these steps, you should be able to resolve the M8665 error and ensure smooth invoice processing in your SAP system.