At least one theme must be selectable??

[milsimdustin]

When I try to change the theme I get this error.

"At least one theme must be selectable."

Any Ideas? and it doesn't matter what theme I try to use....even default core does the same thing.

[Kermit]

See here

http://www.simplemachines.org/community/index.php?topic=229050.0

The topic starter had apparently the same problem