in launcher when compiling. for YOUR MAP NAME. map file you compile w/ these appropriate boxes ;p
BSP
LIGHTS
PATHS
REFLECTIONS
FASTFILES
for YOURMAPNAME. PATCH (which you should have w/ mr hankys scriptplacer

) check these boxes
BSP
FASTFILES
this should fix your error. but im fairly new to this myself mate.

GOOOD LUCK

reply if not successful and i'll ask my friend