[1.3][SSP]Cannot start up computercraft 1.42

I'm trying to use computercraft 1.42 with a bunch of other mods.
when i load it up it conflicts with forestry, because without it all my mods load just fine, with computercraft forestry gives out an error.
I got the following mods installed and using MultiMC to launch.

jar mods
minecraft forge 4.1.4.280
Optifine 1.3.2 HD U B3
Rei's Minimap

Coremods
CodeChickenCore 0.6.1
NEI 1.4.0.1

mods
buildcraft-A-3.2.0pre7
IC2 1.106
MFFS 2.1.7.0.18
IC2nuclearControl 1.3.1
CompactSolars 3.0.1.13
Iron Chests 4.0.3.46
forestry-A-1.5.0.2
Railcraft 6.1.0.0
invTeaks 1.43
Extra bees 1.4.0.16 dev build
NEI plugins for forestry, buildcraft and railcraft

The crashlog I added :P/>/> I hope this can be fixed.
[attachment=483:crash-2012-09-25_10.58.40-client.txt]

Block id conflict between forestry and computercraft. you'll have to resolve that yourself. Look here for an answer