Error when starting game..

Kay,heres the thing… i just downloaded RP_EvoCity2_v2p did all the stuff needed to run the map…(and that command line thing)opened gmod…ran the map… and after a few secs… from 50fps goes to -10 fps… and crashes…“LUA ERROR DUMP” as engine error window

Made some replies in the forum here “http://www.facepunch.com/showthread.php?p=20526543#post20526543” and opened gmod again.while its openning and loading up…and now i get this…

http://img186.imageshack.us/img186/717/wutw.th.png

Did nothing just went to start gmod again…

Specs(dont flame… i know my proccesor’s old… so maybe is my GPU):

Processor: Intel® Pentium® Dual CPU E2140 @ 1.60GHz (2 CPUs), ~1.6GHz
Memory: 3070MB RAM
Card name: NVIDIA GeForce 9500 GT

Stuff i tried
Mine is svn version so i did the svn update inside… nothing it just added some thrusters and some stuff and opened it again… same thing…

So help?