How To Fix FKKINV491 - Contract &1 is locked for invoicing from &2 to &3

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 491

• Message text: Contract &1 is locked for invoicing from &2 to &3

What causes this issue?

You cannot currently create an invoice for contract &v1& since it is
excluded from processing due to an invoicing lock.

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?

You have the following options:
Create an invoice 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV491 - Contract &1 is locked for invoicing from &2 to &3 ?

  The SAP error message FKKINV491 indicates that a contract is locked for invoicing during a specific date range. This typically occurs in the context of contract accounting or invoicing processes within SAP's Financial Accounting (FI) module, particularly in the area of contract accounts receivable and payable (FI-CA).
  Cause:
  The error message is triggered when:
  
  Contract Locking: The contract specified in the error message is locked for invoicing due to various reasons, such as:
  
  The contract is currently being processed by another user or transaction.
  The contract has been set to a status that prevents invoicing (e.g., it may be in a closed or inactive state).
  There are specific date ranges defined in the contract that restrict invoicing during certain periods.
  
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Contract Status:
  
  Verify the status of the contract in question. Ensure that it is active and not in a locked or closed state.
  
  
  
  Release Lock:
  
  If another user is processing the contract, you may need to wait until they complete their transaction. Alternatively, you can check for any locks using transaction codes like SM12 (to view and delete locks) or SM21 (to check system logs).
  
  
  
  Review Date Ranges:
  
  Check the invoicing date ranges defined for the contract. Ensure that the current date falls within the allowed invoicing period.
  
  
  
  Consult Documentation:
  
  Review the contract documentation and settings in the SAP system to ensure that all configurations are correct and that there are no restrictions preventing invoicing.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting the SAP Help Portal for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  FKKINV for invoicing
  FPL9 for contract account management
  FBL1N for vendor line items (if applicable)
  
  
  
  SAP Notes: Check for any SAP Notes related to the error message FKKINV491 for specific patches or updates that may address known issues.
  
  
  User Authorizations: Ensure that the user attempting to perform the invoicing has the necessary authorizations to access and modify the contract.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.