How To Fix FMKU065 - Do not enter external doc number: number range is for internal doc number

FMKU065 - Overview

• Message type: E = Error

• Message class: FMKU - FM budgeting, kernel utilities

• Message number: 065

• Message text: Do not enter external doc number: number range is for internal doc number

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.

FMKU065 - Details

• The SAP error message FMKU065 indicates that you are trying to enter an external document number in a field that is configured to accept only internal document numbers. This typically occurs in the context of financial document processing, such as when dealing with funds management or other financial transactions.
  
  Cause:
  The error arises because the system is set up to use internal number ranges for certain document types, and you are attempting to input an external document number that does not conform to the expected format or number range. This can happen in scenarios such as:
  
  The document type is configured to use internal numbering.
  The number range settings for the document type do not allow for external document numbers.
  The user is mistakenly entering an external number when the system expects an internal one.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Document Type Configuration:
  
  Go to the configuration settings for the document type