lighting problem!

[cage]

Hey! got this problem with lightning in max6. when i use the skylight or ie sky/sun or any other lights exept the standars then ewerything aperes black!
have i chosed some option some were or what? it worked before!
hope some one kan help me wit this thanks!

[andoy]

If you're using mental ray don't forget to check final gather box.

[cage]

no im using max standard light!

[cage]

figuered out the problem hmmm strange it was the material iused that dident work!