How To Fix M8507 - No separate document type exists for invoice reduction

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 507

• Message text: No separate document type exists for invoice reduction

What causes this issue?

You want to post an invoice that has been reduced. This results in two
FI documents being created. You require different document types to
process both FI documents correctly.

System Response

The invoice cannot be posted.

How to fix this error?

Your system administrator must enter a separate document type for
invoice reduction with transaction &V1& in Customizing for Logistics
Invoice Verification.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8507 - No separate document type exists for invoice reduction ?

  The SAP error message M8507 "No separate document type exists for invoice reduction" typically occurs in the context of invoice processing, particularly when dealing with credit memos or invoice reductions. This error indicates that the system cannot find a specific document type configured for processing invoice reductions.
  Cause:
  
  
  Missing Document Type: The primary cause of this error is that there is no document type defined in the system for handling invoice reductions. In SAP, different document types are used to categorize various financial transactions, and if the required document type is not set up, the system will throw this error.
  
  
  Configuration Issues: There may be issues in the configuration settings related to invoice processing, particularly in the area of document types for invoice reductions.
  
  
  Incorrect Transaction Type: The transaction being processed may not be correctly set up to handle invoice reductions, leading to the error.
  
  
  Solution:
  To resolve the M8507 error, you can follow these steps:
  
  
  Check Document Type Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Logistics > Materials Management > Purchasing > Invoice Verification > Define Document Types.
  Ensure that there is a document type defined for invoice reductions. If it is missing, you will need to create a new document type specifically for this purpose.
  
  
  
  Create a New Document Type:
  
  If you need to create a new document type, you can do so by copying an existing document type and modifying it to suit your needs.
  Ensure that the new document type is properly configured with all necessary settings, including number ranges and relevant parameters.
  
  
  
  Assign Document Type to Transaction:
  
  Make sure that the new or existing document type is assigned to the relevant transaction codes or processes that involve invoice reductions.
  
  
  
  Test the Configuration:
  
  After making the necessary changes, test the invoice reduction process to ensure that the error no longer occurs.
  
  
  
  Consult Documentation: If you are unsure about the configuration steps, refer to SAP documentation or consult with your SAP Basis or functional consultant for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MIRO (Invoice Verification) and MR8M (Cancel Invoice Document) as they may be involved in the process.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  User Roles and Authorizations: Ensure that the user attempting to process the invoice reduction has the necessary authorizations to access and modify document types.
  
  By following these steps, you should be able to resolve the M8507 error and successfully process invoice reductions in SAP.