I get UNRECOVERABLE ERROR: max cells exceeded error when compiling, I can't fix it.

(!) UNRECOVERABLE ERROR: Max cells exceeded
Arguments passed to linker:
  -nopause -language english -moddir building_of_horror building_of_horror 

What do you suggest me to do to try and fix this?

Thanks in advance.

This can be caused by having too many structural brushes apparently, try making them detail instead.

This can be caused by having too many structural brushes apparently, try making them detail instead.

Yea, all the long stairways in my map was all structucal which doesn't really sound good.
Ah well, my stairs are now detailed, Heh thanks.