erorr log...Database Error: Got error 28 from table handler

[apple]

Database Error: Got error 28 from table handler
File: /home/site/public_html/forum/Sources/Load.php
Line: 995

my whole error log is filled with this...though forum is working fine i  am not finding any apparant problems but i am curious what it this

[Grudge]

Google is your friend... first result:
http://www.ozoneasylum.com/5324

It means your hard disk on the server is full, if it's your own server clean things up, otherwise tell your host.

[[Unknown]]

If your forum is working now, it probably means it was your host's fault and the fixed it.

It happens sometimes.

-[Unknown]