MBuilder Error????

[Nomercy]

I'm trying to compile my map, it normally works just fine, but this time I get an

*************************** ERROR **********************
Backwards tree volume

I don't know what the heck it means or how to fix it, can someone help me?

[tltrude]

Try this forum "sticky" thread. Sticky means it is always at the top of the mapping forum.

/forum/viewtopic.php?t=2406