SAP Message CACSCUST359 - &1 - Avoid locking and inconsistencies (see long text)

System Response
The previous message was triggered because a lock prevented theexecution of the program.
The termination of the program may have led to inconsistencies.

Procedure
To remove the lock, follow the instructions in the preceding error
message.
Then reimport the transport request that contains the entries of thetransport application (TRAPPL) and start this program again.