How To Fix EDEREG_INV786 - No reference to the reversed original document is available

EDEREG_INV786 - Overview

• Message type: E = Error

• Message class: EDEREG_INV - Error Messages for Payment Management in a Deregulated Env.

• Message number: 786

• Message text: No reference to the reversed original document is available

What causes this issue?

A reversal document is to be converted to a grid usage bill or a budget
bill.
However, the original document is not available and is not referenced
from the reversal document.

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?

Check whether an original document is really not available.
If this is available, check why it is not referenced.
Was the module ISU_DEREG_INV_DATA_040 run? The original document is
identified in this module and a reference to it is generated.
If the original document really doesn't exist, you can use the
Customizing activity <DS:SIMG._ISUUTDE_000078>Define Check Parameters</>
and the check type 37 to specify whether the document can be converted
even though the reference is missing.
You also define whether the posting of budget billing amounts is to be
statistical or actual.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EDEREG_INV786 - No reference to the reversed original document is available ?

  The SAP error message EDEREG_INV786, which states "No reference to the reversed original document is available," typically occurs in the context of invoice processing, particularly when dealing with credit memos or invoice reversals. This error indicates that the system cannot find a corresponding original document that the reversal is supposed to reference.
  Causes:
  
  Missing Original Document: The original invoice that is supposed to be reversed may not exist in the system or may have been deleted.
  Incorrect Document Type: The document type used for the reversal may not be compatible with the original document.
  Document Status: The original document may be in a status that does not allow for reversal (e.g., it may be already reversed or canceled).
  Data Entry Errors: There may be errors in the data entry, such as incorrect document numbers or reference fields.
  System 
  Configuration Issues: There may be configuration issues in the SAP system that prevent the proper linking of documents.
  
  Solutions:
  
  Verify