How To Fix MN699 - Documents of category &1 cannot be processed (internal error)

MN699 - Overview

• Message type: E = Error

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

• Message number: 699

• Message text: Documents of category &1 cannot be processed (internal error)

What causes this issue?

The requested function is only defined for documents that are supplier
billing documents or settlement documents (document for which update was
carried out)
However, document &V3& has type &V1& (&V2&).

System Response

The items of documents &V3& are not processed. It is possible that
follow-on functions are not carried out.

How to fix this error?

Contact your system administrator, as this type of message is usually
due to a program error.

Procedure for System Administrators

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 MN699 - Documents of category &1 cannot be processed (internal error) ?

  The SAP error message MN699, which states "Documents of category &1 cannot be processed (internal error)," typically indicates that there is an issue with processing a document in the system, often related to the document category specified by &1. This error can arise in various contexts, such as during document posting, processing, or reporting.
  Possible Causes:
  
  Document Category Issues: The document category specified may not be configured correctly in the system or may not be supported for the operation you are trying to perform.
  Configuration Errors: There may be configuration issues in the relevant modules (e.g., MM, SD, FI) that handle the document types.
  Authorization Issues: The user may not have the necessary authorizations to process documents of that category.
  Data Integrity Issues: There may be inconsistencies or missing data in the document that is causing the processing to fail.
  System Bugs: There could be a bug in the SAP system or a specific transaction that