How To Fix FMKU063 - Enter an external document number between &1 and &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FMKU - FM budgeting, kernel utilities

• Message number: 063

• Message text: Enter an external document number between &1 and &2

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMKU063 - Enter an external document number between &1 and &2 ?

  The SAP error message FMKU063, which states "Enter an external document number between &1 and &2," typically occurs in the context of financial document processing, particularly when dealing with external documents in the SAP system. This error indicates that the external document number you are trying to enter does not fall within the predefined range set in the system.
  Cause:
  
  Invalid Document Number: The external document number you are trying to enter is either too low or too high compared to the allowed range defined in the system.
  Configuration Issues: The number range for external document numbers may not be properly configured in the system.
  User Input Error: The user may have mistakenly entered an incorrect document number.
  
  Solution:
  
  
  Check the Number Range:
  
  Go to the transaction code SNRO (Number Range Objects).
  Look for the relevant number range object associated with external document numbers (this could vary based on your specific configuration).
  Verify the defined range and ensure that the number you are trying to enter falls within this range.
  
  
  
  Adjust the Document Number:
  
  If the number you are trying to enter is outside the allowed range, you will need to enter a valid number that falls within the specified limits.
  
  
  
  Configuration Adjustment:
  
  If the number range needs to be adjusted (for example, if the range is too narrow), you may need to work with your SAP Basis or configuration team to modify the number range settings.
  This can involve extending the range or creating a new number range if necessary.
  
  
  
  User Training:
  
  Ensure that users are trained on the correct format and range of external document numbers to prevent future errors.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (Post Document), FB60 (Enter Incoming Invoice), or others where external document numbers are used.
  Documentation: Review SAP documentation or help files related to number range management and external document processing for more detailed guidance.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error message.
  
  By following these steps, you should be able to resolve the FMKU063 error and successfully enter the required external document number.