How To Fix MN422 - Sales document type & not assigned to a billing document type

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 422

• Message text: Sales document type & not assigned to a billing document type

What causes this issue?

Sales document type &V1& is not assigned to any billing document type.
Document type &V1& is assigned to rebate arrangement type &V2&
("subsequent settlement") for partial or final settlement purposes.

System Response

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

How to fix this error?

An order-related billing document type must be assigned to the sales
document type.
Please maintain the field <LS>Order-related billing document type</>
for sales document &V1& or assign a different, suitable sales document
type to arrangement type &V2&.
INCLUDE 'NA_CUST_MAINTAIN' OBJECT DOKU ID TX

<DS:SIMG.SIMG_CFMENUOLSDVOV8>Define sales document types</>
<DS:SIMG.SIMG_CFMENUOLMEOMHD>Define rebate arrangement types for
subsequent settlement</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN422 - Sales document type & not assigned to a billing document type ?

  The SAP error message MN422 indicates that a specific sales document type is not assigned to a billing document type. This is a common issue in SAP systems, particularly in the Sales and Distribution (SD) module, and it can prevent the creation of billing documents from sales orders.
  Cause:
  The error occurs when there is a mismatch or lack of configuration in the assignment between sales document types and billing document types. This can happen due to:
  
  Missing Configuration: The sales document type you are trying to use has not been assigned to any billing document type in the system.
  Incorrect Configuration: The assignment may exist, but it is not set up correctly.
  Changes in Document Types: Changes in the configuration or document types may have been made without proper updates to the related settings.
  
  Solution:
  To resolve the MN422 error, you need to ensure that the sales document type is correctly assigned to a billing document type. Here are the steps to do this:
  
  
  Access the Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: 
  SPRO -> SAP Reference IMG -> Sales and Distribution -> Billing -> Billing Documents -> Define Billing Types
  
  
  
  
  Check Assignments:
  
  In the configuration menu, look for the option to assign sales document types to billing document types.
  Ensure that the sales document type in question is listed and correctly assigned to the appropriate billing document type.
  
  
  
  Create or Modify Assignment:
  
  If the sales document type is not assigned, you can create a new assignment.
  If it is incorrectly assigned, modify the assignment to ensure it points to the correct billing document type.
  
  
  
  Save Changes:
  
  After making the necessary changes, save your configuration.
  
  
  
  Test the Changes:
  
  Try to create the billing document again to see if the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like VOTXN (for sales document types) and VOTYP (for billing document types) to view and manage document types.
  Documentation: Refer to SAP Help documentation for detailed information on configuring sales and billing document types.
  User Authorizations: Ensure that you have the necessary authorizations to make changes in the configuration settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or SD module consultant for further investigation.