alright heres the link to the compile log

http://www.mediafire.com/?6dqbnaizu2j18yn

I looked in the log and the parts that are messed up have the texture I used for the walls so if I rebuild all the walls it should fix it right?

ok i get that now but im not sure exactly where it is and what is wrong. should i try rebuilding all my walls?

well i looked it up and it says its a coplaner brush and I have no idea how to fix that

Alright I started building maps today and i want to model my school. here is what i have so far.
http://www.mediafire.com/?tkesh3k696agr1a

When i try to compile it it gives me errors but i dont know what they mean and its not LEAKS