How To Fix BK061 - You cannot use external numbering for transaction &

BK061 - Overview

• Message type: E = Error

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

• Message number: 061

• Message text: You cannot use external numbering for transaction &

What causes this issue?

The business transaction you are performing is &V1&. No external number
range has been assigned to this transaction in controlling area &V2&,
which means that the SAP System cannot assign an external document
number.
You can assign a number range in customizing with <ZH>Environment -> CO
document No. Ranges</>.

How to fix this error?

Maintain an external number range for this business transaction.
Do not assign external numbers.
Correct any errors in the controlling area entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BK061 - You cannot use external numbering for transaction & ?

  The SAP error message BK061, which states "You cannot use external numbering for transaction &," typically occurs in the context of financial transactions, particularly when dealing with document numbering in SAP. This error indicates that the system is configured to use internal numbering for a specific transaction type, but an attempt is being made to use external numbering.
  
  Cause:
  
  Configuration Settings: The error is often caused by the configuration settings in the SAP system. Specifically, the document type for the transaction in question is set to use internal numbering, but the user is trying to enter an external document number.
  Transaction Type: The specific transaction type (e.g., invoice, payment) may not be configured to allow external numbering.
  User Input: The user may have mistakenly entered an external number when the system is set to expect an internal number.
  
  
  Solution:
  
  
  Check Document Type Configuration:
  
  Go to the configuration settings for the document type in question (Transaction Code: OBA7).
  Verify