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

SAP Error Message - Details

• 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 whether the document type is set to use internal or external numbering.
  If external numbering is required, change the configuration to allow it.
  
  
  
  Use Internal Numbering:
  
  If the document type is correctly set to internal numbering, ensure that you are not trying to enter an external number. Instead, let the system generate the document number automatically.
  
  
  
  Consult with SAP Basis or Functional Consultant:
  
  If you are unsure about the configuration or need to make changes, consult with your SAP Basis or functional consultant. They can help you understand the implications of changing the numbering settings.
  
  
  
  Review User Authorizations:
  
  Ensure that the user has the necessary authorizations to perform the transaction with the specified document type.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBA7 (for document type configuration) and FB01 (for posting documents).
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  Documentation: Review SAP documentation on document types and numbering to understand the implications of using internal vs. external numbering.
  
  By following these steps, you should be able to resolve the BK061 error and proceed with your transaction in SAP.