Maya AO won't bake

seannyb

I have baked AO for all the objects in my scene except one. when I try to bake this one it just turns all white or all black after a few seconds, no map baked. I can't find any answers on the internet and have run out of logical reasons. There are no overlapping UV's, but even if there were it should at least bake something. Any help?

seannyb

The export import worked, thanks

MikeF

Make sure both objects are visible when you bake.
I usually put my hp and lp on seperate layers and turn off the hp for quick navigation, this works fine for every other type of bake, but AO will only register as a white or black output