How To Fix BK172 - Several documents were found; external number assignment is not possible.

BK172 - Overview

• Message type: E = Error

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

• Message number: 172

• Message text: Several documents were found; external number assignment is not possible.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BK172 - Several documents were found; external number assignment is not possible. ?

  The SAP error message BK172 ("Several documents were found; external number assignment is not possible") typically occurs when you are trying to post a document using an external number range, but the system finds multiple documents that match the criteria for the number assignment. This can happen in various scenarios, such as during document posting in Financial Accounting (FI) or Controlling (CO).
  
  Cause:
  
  Multiple Documents: The system has found multiple documents that could potentially match the external number range you are trying to use. This can happen if there are overlapping or conflicting number ranges.
  
  Configuration Issues: The number range configuration for the document type may not be set up correctly, leading to ambiguity in number assignment.
  Document Type Settings: The document type you are using may not be configured to allow external number assignment.
  Missing Number Range: The external number range may not be defined or may be exhausted.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the