How To Fix M8594 - Save again before you change invoice document & already released

M8594 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 594

• Message text: Save again before you change invoice document & already released

What causes this issue?

The invoice document was already released for batch invoice
verification. If the invoice verification type is now set to 'no
invoice verification', you can only make further changes if the invoice
has not yet been checked automatically.

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?

To prevent the invoice being checked in the background, you must save
the document after the type is changed. This prevents the invoice being
checked in batch mode.
If you do not save the invoice document, and the system starts
processing in the background, the system blocks the invoice document,
and you can no longer process it online.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8594 - Save again before you change invoice document & already released ?

  The SAP error message M8594 ("Save again before you change invoice document & already released") typically occurs in the context of invoice processing within the Materials Management (MM) module. This error indicates that you are trying to make changes to an invoice document that has already been released and saved in the system. 
  
  Cause:
  
  Document Status: The invoice document has already been processed and released, meaning it is in a status that does not allow further changes without specific actions.
  System Lock: The document may be locked for editing due to its status or because it is being processed by another user or transaction.
  Incomplete Processing: There may be a requirement to complete certain steps or validations before making changes to the invoice.
  
  
  Solution:
  
  Re-save the Document: If you need to make changes, you may need to first save the document again. This can sometimes refresh the document status and allow for further changes.
  Check Document