How To Fix BK146 - Document number & is already in use.

SAP Error Message - Details

• Message type: E = Error

• Message class: BK - Create, Display, Reverse Controlling Document

• Message number: 146

• Message text: Document number & is already in use.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message BK146 - Document number & is already in use. ?

  The SAP error message BK146 ("Document number & is already in use") typically occurs when you attempt to post a financial document (such as a journal entry) using a document number that is already assigned to another document in the system. This can happen in various modules, including Financial Accounting (FI) and Controlling (CO).
  Cause:
  
  Duplicate Document Number: The document number you are trying to use is already assigned to another document in the system.
  Document Number Range: The document number range may not be set up correctly, leading to conflicts.
  Document Already Posted: The document you are trying to post may have already been posted or is in a status that prevents further posting.
  User Error: The user may have inadvertently tried to reuse a document number that is still in use.
  
  Solution:
  
  Check Document Status: Verify if the document number you are trying to use is already posted or in use. You can do this by checking the document in the relevant transaction (e.g., FB03 for viewing documents).
  Use a Different Document Number: If the document number is indeed in use, you will need to use a different document number for your posting.
  Review Number Ranges: Check the configuration of the number ranges for the document type you are using. Ensure that the number range is set up correctly and that there are no overlaps.
  
  You can check this in the configuration settings under SPRO > Financial Accounting > Financial Accounting Global Settings > Document Number Ranges.
  
  
  Consult with Your SAP Administrator: If you are unsure about the document number ranges or if you suspect a system issue, consult with your SAP administrator or support team for assistance.
  Check for Open Items: If the document is part of an open item, ensure that it is cleared or processed before attempting to reuse the document number.
  
  Related Information:
  
  Transaction Codes: 
  
  FB03: Display Document
  FB01: Post Document
  FBL1N: Vendor Line Item Display
  FBL3N: G/L Account Line Item Display
  FBL5N: Customer Line Item Display
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to document number handling.
  Documentation: Review SAP documentation for financial postings and document management to understand how document numbers are assigned and managed.
  
  By following these steps, you should be able to resolve the BK146 error and successfully post your financial document.