How To Fix BIL067 - Joint invoicing not possible; final billing already done for contract &1

BIL067 - Overview

• Message type: E = Error

• Message class: BIL - General billing

• Message number: 067

• Message text: Joint invoicing not possible; final billing already done for contract &1

What causes this issue?

You have selected the "Joint Invoicing" checkbox during entry of a
manual billing document even though final billing has already taken
place for contract &V1&.

System Response

Since no more automatic documents are expected with which the manual
document can be invoiced, this manual document would never be invoiced.
For this reason, entry of the manual document with the "Joint Invoicing"
checkbox selected is rejected.

How to fix this error?

Enter the manual document without selecting the "Joint Invoicing"
checkbox.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

BIL067 - Details

• The SAP error message BIL067 indicates that joint invoicing is not possible because final billing has already been completed for the specified contract. This typically occurs in the context of billing processes where multiple services or items are being billed together, but one of the items has already been finalized in a previous billing cycle.
  
  Cause:
  
  Final Billing Completed: The primary cause of this error is that the contract in question has already undergone final billing. Once final billing is executed, the system locks the contract for further joint invoicing.
  Contract Status: The status of the contract may not allow for further billing activities if it has been marked as completed or finalized.
  Billing Document: There may be existing billing documents associated with the contract that prevent further joint invoicing.
  
  
  Solution:
  
  Check Contract Status: Review the status of the contract in the SAP system. If it is marked as finalized, you may need to create a