warning:material returned overbright or invalid colour!!!!!!

[heroes5]

warning:material returned overbright or invalid colour!!!!!!
help!
wwwwwwwwwwwwhat should i do!!!!

[shytigercp]

re

The only time I get that message is when I use standard materials. The message goes away once I use all vray materials.

[natty]

warning:material returned overbright or invalid colour

as it says it just a warning .. does the image look of (link broken?)

[heroes5]

natty yes ,all the objects be warned look ugly or artifical
is it due to the max standard mat?
how can i stoped these warning?