Database tables Deleted !

[Sycoz2]

i having a problem
all database tables of my forums deleted !
i didn't do that

now my database tables = 0
it was 157 tables !

i want to know what happened before upload the backup

[jason]

I would open a support ticket on this. There are a number of things that could cause a database to be wiped out, none of them good. It could have been database corruption, human error (yours or someone else's), a server crash, or you could have been hacked.

When you restore the backup, unless support is able to tell you unequivocally that you were NOT hacked, I'd suggest making sure you are running the most current version of your forum software, check your logs for suspicious activity, and check your site's files (especially PHP files) for any recent changes.

--Jason