How To Fix FKKBIX326 - Contract &1 is locked for billing from &2 until &3

FKKBIX326 - Overview

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 326

• Message text: Contract &1 is locked for billing from &2 until &3

What causes this issue?

You cannot currently perform billing for contract &v1& since it is
excluded from processing due to an invoicing lock.
As soon as a billable item references a contract with a current
invoicing lock, the related processing package of billable items is
completely excluded from billing.

System Response

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

How to fix this error?

If you want to bill the contract, you have the following options:
Perform billing once the lock has expired.
Change the invoicing lock in the contract.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKBIX326 - Details

• The SAP error message FKKBIX326 indicates that a contract is locked for billing during a specified time period. This typically occurs when a contract is being processed or modified, and it cannot be billed until the lock is released. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Contract in Use: The contract is currently being processed by another user or transaction, which locks it for billing.
  Pending Changes: There may be pending changes or updates to the contract that have not been finalized.
  System Lock: The system may have a temporary lock due to a background job or a transaction that is still running.
  User Lock: A specific user may have locked the contract for editing or processing.
  
  
  Solution:
  
  
  Check Lock Status:
  
  Use transaction code SM12 to check for locks on the contract. You can search for the contract number to see if it is locked by another user.
  If you find a lock, you