Werid problem with sapien!

[CsMapper]

Ok im trying to run a quick radiosity of 0 so i type:
radiosity_quality 0
and it says 0 in the game window then i type:
radiosity_start
and it says:
radiosity error: degenorate triangles [or triangles with bad uvs] (see blue in error geometry)

and theres also one more problem im having i made a sky for it in guerilla but nothing shows up! please respond im soooo close to finishing this!