The same happened like the last time: all of a sudden it works again, and it seems like only god knows why....
I am trying to talk to Dutchweb, the provider, and if I understand what the problem is/was, I let it know.

Yes

Now I got:

line: 68

PunBB reported: Unable to fetch category/forum list
Database reported: Got error 28 from table handler (Errno: 1030)

I added a forum the day before yesterday, and it worked fine.
How do I use the debug?

People were not able to login the forum. The message is: Unable to fetch category/forum list
I don't know what happened. I didn't change anything in the last few days.

Please help