Be sure you have in your .cfg file
$db_use_flock = 1;
which turns on flocking. If you are not able to use file locking on the server you are using there is an alternative recently posted in the DBMan discussion forum.
Unoffical DBMan FAQ
http://webmagic.hypermart.net/dbman/
$db_use_flock = 1;
which turns on flocking. If you are not able to use file locking on the server you are using there is an alternative recently posted in the DBMan discussion forum.
Unoffical DBMan FAQ
http://webmagic.hypermart.net/dbman/