Are you sure you haven't restricted the size of the Log file? Are you using MSDE or SQL Server?

>What's the possible problem of consistently getting this problem?
>

>Error: 9002, Severity: 17, State: 6
>The log file for database 'smartapp' is full. Back up the transaction log for the database to free up some log space.

>
>The drive where the transaction log resides have 60GB free space. We keep on doing the backup at least this day almost 5 times. Why? Why? Why?