How To Fix MN426 - Billing document type & for sales document & not defined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 426

• Message text: Billing document type & for sales document & not defined

What causes this issue?

Billing document type &V1& does not exist in the system. However, it
has been assigned to partial or final settlement accounting via the
sales document type &V2& of rebate arrangement &V3& ("subsequent
settlement").

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?

Create billing document type &V1& or change the assignment of
arrangement type to sales document type or sales document type to
billing document type (sales-order-related billing document type).
INCLUDE 'NA_CUST_MAINTAIN' OBJECT DOKU ID TX

<DS:SIMG.SIMG_CFMENUOLSDVOFA>Define billing document types</>
<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 MN426 - Billing document type & for sales document & not defined ?

  The SAP error message MN426 typically indicates that there is an issue with the configuration of billing document types in relation to sales document types. This error occurs when the system cannot find a valid mapping between the specified billing document type and the sales document type in the configuration settings.
  Cause:
  
  Missing Configuration: The billing document type is not defined for the specific sales document type in the system.
  Incorrect Settings: There may be incorrect or incomplete settings in the configuration of billing types.
  Custom Development: If there are custom developments or modifications, they may not have been properly aligned with the standard configurations.
  
  Solution:
  To resolve the MN426 error, follow these steps:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Sales and Distribution > Billing > Billing Documents > Define Billing Types.
  Ensure that the billing document type you are trying to use is correctly defined and linked to the appropriate sales document type.
  
  
  
  Define Billing Document Types:
  
  If the billing document type is missing, you will need to create it.
  Ensure that the billing type is assigned to the correct sales document type.
  
  
  
  Assign Billing Types to Sales Document Types:
  
  In the same configuration area, check the assignment of billing types to sales document types.
  Make sure that the sales document type you are using is linked to the billing document type.
  
  
  
  Check for Customizations:
  
  If there are any customizations or enhancements, review them to ensure they do not interfere with the standard billing document type assignments.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SPRO for configuration, VA01 for creating sales orders, and VF01 for creating billing documents.
  Documentation: Refer to SAP Help documentation for detailed guidance on billing document types and their configurations.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the MN426 error and ensure that your billing document types are correctly configured in relation to your sales document types.