How To Fix MN561 - Function not defined for documents of category &

MN561 - Overview

• Message type: E = Error

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

• Message number: 561

• Message text: Function not defined for documents of category &

What causes this issue?

This function is only defined for the following document categories:

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

Purchase order/scheduling agreement
Supplier billing document
Settlement document
Customer settlement
These are the documents whose document conditions (price determination)
form the basis for supplier business volume updates.
However, the document in question - &V3& - belongs to category &V1& (
&V2&).

System Response

The function you wish to call cannot be performed.

How to fix this error?

Contact your system administrator. This situation is probably due to a
program error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN561 - Function not defined for documents of category & ?

  The SAP error message MN561, which states "Function not defined for documents of category &," typically occurs in the context of document management or when working with specific document categories in SAP. This error indicates that the system is unable to perform a certain function because it is not defined for the document category specified in the error message.
  
  Cause:
  
  Document Category Issue: The document category you are trying to work with does not have the required function defined in the system. This could be due to configuration settings or missing entries in the relevant tables.
  Missing Customization: If the document category is a custom one, it may not have been properly configured to support the functions you are trying to use.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform actions on certain document categories.
  
  
  Solution:
  
  
  Check Document Category Configuration:
  
  Go to the configuration settings for document categories in SAP (transaction code