Error Unknown column 'a.attachmentType' in 'field list'

[shandaman]

I get this error "Unknown column 'a.attachmentType' in 'field list' " why? i hope I dont lose all 500 or so memebers I have that would really be bumer my site is www.3dgamics.com/forum [nofollow] any help is greatly apperciated thanks.

[kegobeer]

Did you just perform an upgrade?

[shandaman]

I tried yes appears to work.