How To Fix FMPP1030 - Invoice reference &1/&2/&3 locked by FMPP process

SAP Error Message - Details

• Message type: E = Error

• Message class: FMPP1 - Partial Payment by Fund: Messages

• Message number: 030

• Message text: Invoice reference &1/&2/&3 locked by FMPP process

What causes this issue?

The invoice reference is part of the partial payment by G/L entity
(FMPP) process and is blocked by it. This block prevents processing
using other transactions.

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?

Use transaction <DS:TRAN.FMPP>FMPP</> or reverse the referencing
invoice.

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 FMPP1030 - Invoice reference &1/&2/&3 locked by FMPP process ?

  The SAP error message FMPP1030 indicates that an invoice reference is locked by a process related to the Financial Management and Payment Processing (FMPP) module. This typically occurs when a transaction is being processed, and another user or process is trying to access the same invoice at the same time, leading to a lock situation.
  Cause:
  
  Concurrent Processing: The invoice is currently being processed by another user or background job, which locks the invoice to prevent data inconsistencies.
  Long-running Transactions: If a transaction takes too long to complete, it may hold the lock longer than expected.
  System Errors: Sometimes, system errors or crashes can leave locks in place that are not released properly.
  
  Solution:
  
  Wait and Retry: Often, the simplest solution is to wait for the other process to complete. After a few moments, try to access the invoice again.
  Identify the Lock: Use transaction codes like SM12 (to view and manage locks) to identify which user or process is holding the lock. You can check the lock entries and see if you can contact the user or terminate the session if necessary.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock using transaction SM12. Be cautious with this approach, as it may lead to data inconsistencies if the other process is still running.
  Check Background Jobs: If the lock is caused by a background job, check the job status in transaction SM37 and see if it can be canceled or if it has completed.
  System Monitoring: Ensure that your system is monitored for long-running transactions and that performance issues are addressed to minimize locking situations in the future.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (lock entries), SM37 (job monitoring), and SM21 (system log) for troubleshooting.
  User Communication: If you are in a multi-user environment, communicate with other users to understand if they are working on the same invoice.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to locking in the FMPP module.
  System Configuration: Review system configuration settings related to locking behavior and transaction handling to optimize performance and reduce locking issues.
  
  If the problem persists, consider reaching out to your SAP Basis team or SAP support for further assistance.