How To Fix EB291 - Deregulation: Reversal of document &1 not permitted

EB291 - Overview

• Message type: E = Error

• Message class: EB - IS-U invoicing

• Message number: 291

• Message text: Deregulation: Reversal of document &1 not permitted

What causes this issue?

You are not permitted to reverse document &v1& because the document is
not the original budget billing request but was created during the
reversal of a periodic or interim bill.

System Response

In the deregulated scenario, unpaid or partially paid budget billing
requests are reversed as part of a periodic or interim bill. If the
periodic or interim bill is reversed, the request has to be reactivated.
In this case, new budget billing request documents are created that
cannot be reversed.

How to fix this error?

Reverse the original budget billing request &v2&.

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

EB291 - Details

• The SAP error message EB291, which states "Deregulation: Reversal of document &1 not permitted," typically occurs in the context of deregulated energy markets when attempting to reverse a document that is not allowed to be reversed due to specific business rules or system settings.
  
  Cause:
  
  
  Document Type Restrictions: The document you are trying to reverse may be of a type that is not allowed to be reversed in the context of deregulated processes. For example, certain financial or billing documents may have restrictions based on regulatory requirements.
  
  
  Status of the Document: The document may be in a status that does not permit reversal. For instance, if the document has already been settled or if it is linked to other documents that prevent its reversal.
  
  
  Configuration Settings: The system configuration may have specific settings that restrict the reversal of certain documents in the deregulated environment.
  
  
  Business Rules: There may be business rules in place that dictate