cCreatCanvas:canvas bug in Realm Wars mod

I just d/l the head (april 24) and my game runs fine but when I try to do the Realm Wars mod . . . attaching
"-mod rw" to end of a exe short cut the scene cuts and says

Quote:
Fatal-ISV:(torque\engine\game\main.cc)
cCreateCanvas: canvas has already been instantized

with a retry and cancel buttons. . . when I click retry the game gliches and throws me out. Anyone know what is happening?