How To Fix FARR_RAI171 - Subarea for parallel. &1 is locked for comp. code &2 by user &3 (&4)

SAP Error Message - Details

• Message type: E = Error

• Message class: FARR_RAI - Revenue Accounting Item

• Message number: 171

• Message text: Subarea for parallel. &1 is locked for comp. code &2 by user &3 (&4)

What causes this issue?

The subarea for parallelization &v1& is currently locked for company
code &v2& by another process by user &v3& (&v4&). Therefore, revenue
accounting items of this company code and this subarea cannot be
changed, transferred or processed.

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?

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 FARR_RAI171 - Subarea for parallel. &1 is locked for comp. code &2 by user &3 (&4) ?

  The SAP error message FARR_RAI171 indicates that a specific subarea for parallel processing is locked for a particular company code by a user. This typically occurs in the context of financial accounting or asset accounting when multiple users or processes attempt to access the same data simultaneously.
  Cause:
  
  Concurrent Access: The error arises when one user or process is already accessing a specific subarea of data, and another user or process tries to access it at the same time.
  Lock Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. When a user locks a subarea, other users are prevented from making changes until the lock is released.
  Long-Running Transactions: If a transaction takes a long time to complete, it can hold the lock for an extended period, causing other users to encounter this error.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the user who holds the lock to complete their transaction. After a short period, try to access the subarea again.
  Identify the Locking User: Use transaction code SM12 to view the locks in the system. You can identify the user who is holding the lock and check if they can release it.
  Contact the User: If possible, contact the user who is holding the lock to see if they can complete their transaction or release the lock.
  Check for Long-Running Jobs: If the lock is due to a long-running background job, you may need to monitor or terminate that job if it is safe to do so.
  System Administration: If the issue persists, it may require intervention from a system administrator to investigate further or to release locks if they are no longer valid.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view locks), SM21 (to check system logs), and ST22 (to check dumps) for troubleshooting.
  Lock Management: Understanding how SAP handles locks and the implications of concurrent processing can help in managing such errors effectively.
  Documentation: Refer to SAP Help documentation for more details on locking mechanisms and best practices for managing concurrent access in SAP systems.
  
  If the problem continues to occur frequently, it may be worth reviewing the business processes to see if they can be optimized to reduce contention for the same data.