How To Fix MN783 - Document category &1 of settlement document &2 not defined

MN783 - Overview

• Message type: E = Error

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

• Message number: 783

• Message text: Document category &1 of settlement document &2 not defined

What causes this issue?

Document category &V1& of settlement document &V2& is not defined.
The only possible values are

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

'01' - Supplier billing document
'02' - Customer billing document
and ' ' (blank) for all old documents prior to release 4.5A (customer
billing document or credit memo (invoice verification)).

System Response

The system cannot process this document.

How to fix this error?

Please contact your system administrator, as this problem is due to an
internal program error.

Procedure for System Administrators

The arrangement concerned is &V3&. The condition record has (internal)
number &V4&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN783 - Document category &1 of settlement document &2 not defined ?

  The SAP error message MN783 indicates that there is an issue with the document category of a settlement document. Specifically, it means that the system cannot find a definition for the specified document category in the context of the settlement document. This can occur in various scenarios, particularly in the context of settlement processes in SAP, such as in Project System (PS) or Internal Orders.
  
  Cause:
  
  Missing Configuration: The document category specified in the error message is not defined in the system. This could be due to missing configuration settings in the relevant module (e.g., Project System, Controlling).
  Incorrect Document Category: The document category being referenced may be incorrect or not applicable for the type of settlement document being processed.
  Transport Issues: If the configuration was recently transported from another system, it may not have been transported correctly, leading to missing definitions.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the relevant module (e.g., Project System