How To Fix FDT_TRANSPORT015 - BRF+: Foreign lock &3.&1/&2 FDT source/target objects could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_TRANSPORT - Formula & Derivation Tool: Transport

• Message number: 015

• Message text: BRF+: Foreign lock &3.&1/&2 FDT source/target objects could not be locked

What causes this issue?

A foreign lock was detected when trying to lock the BRFplus object IDs
for version copy.

System Response

The processing has been stopped.

How to fix this error?

You can display existing locks for the BRFplus instances via <DS>
<DS:TRAN.SM12>transaction SM12</></>. In the selection screen, use User
'*' and Tablename '*FDT*' to search for existing BRFplus locks.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_TRANSPORT015 - BRF+: Foreign lock &3.&1/&2 FDT source/target objects could not be locked ?

  The SAP error message FDT_TRANSPORT015 related to BRF+ (Business Rule Framework plus) indicates that there is a foreign lock on the source or target objects during a transport operation. This typically occurs when multiple users or processes are trying to access or modify the same objects simultaneously, leading to a locking conflict.
  Cause:
  
  Concurrent Access: Another user or process is currently accessing the same BRF+ objects, which prevents your operation from acquiring the necessary locks.
  Long-Running Transactions: A transaction that takes a long time to complete may hold locks longer than expected, causing other operations to fail.
  System Issues: There may be issues with the transport management system or the underlying database that are causing locks to not be released properly.
  
  Solution:
  
  Check for Active Sessions: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify if there are any active sessions holding locks on the objects you are trying to transport.
  Wait and Retry: If another user is working on the same objects, you may need to wait until they finish and then retry your transport operation.
  Release Locks: If you find that a session is holding a lock unnecessarily, you can manually release the lock using transaction SM12, but be cautious as this may disrupt the other user's work.
  Check Transport Requests: Ensure that the transport request is correctly configured and that there are no inconsistencies in the objects being transported.
  System Restart: In some cases, a system restart may be necessary to clear any lingering locks, but this should be done with caution and typically as a last resort.
  Consult Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team to investigate further, as they can provide insights into system performance and locking behavior.
  
  Related Information:
  
  BRF+ Documentation: Familiarize yourself with the BRF+ documentation to understand how locking works within the framework.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to BRF+ and transport locking.
  Transport Management System (TMS): Understanding how TMS works can help in troubleshooting transport-related issues.
  
  By following these steps, you should be able to resolve the locking issue and successfully transport your BRF+ objects.