How To Fix 9J1UFDI331 - Reference Document Number (BKPF-XBLNR) cannot be updated in Doc. &1 &2

9J1UFDI331 - Overview

• Message type: E = Error

• Message class: 9J1UFDI - Messages for Ukraine E-Invoices

• Message number: 331

• Message text: Reference Document Number (BKPF-XBLNR) cannot be updated in Doc. &1 &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

9J1UFDI331 - Details

• The SAP error message 9J1UFDI331 indicates that there is an issue with updating the reference document number (BKPF-XBLNR) in a specific document. This error typically arises during the posting or updating of financial documents in the SAP system.
  
  Cause:
  The error can be caused by several factors, including:
  
  Document Locking: The document you are trying to update may be locked by another user or process, preventing changes.
  Authorization Issues: The user may not have the necessary permissions to update the reference document number.
  Data Consistency: There may be inconsistencies in the data that prevent the update from being processed.
  
  Configuration Issues: There could be configuration settings in the SAP system that restrict changes to certain fields in financial documents.
  Document Type Restrictions: Certain document types may have restrictions on updating specific fields.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Document Locking:
  
  Verify if the document is currently being edited or locked by another user. You can