So here is the crash log : http://pastebin.com/QF4P2kL1

My modlist :
Enchiridion-1.7.X-1.2b.jar
fastcraft-1.21.jar
Pam's HarvestCraft 1.7.10h.jar
BuildcraftAdditions-1.7.10-2.1.2.jar
Mariculture-Deluxe-1.7.10-1.2.4.2a.jar
plantmegapack-4.17-1.7.10-1230.jar
Ganys Surface-1.11.0.jar
Railcraft_1.7.10-9.6.1.0.jar
CodeChickenCore-1.7.10-1.0.6.43-universal.jar
Eureka-1.7.10-3.0.2.jar
buildcraft-6.4.14.jar
forestry_1.7.10-3.6.0.545-unstable.jar
NotEnoughItems-1.7.10-1.0.4.106-universal.jar
Factorization-1.7.10-0.8.89.jar
GlowstoneWire-1.7.x-1.0.2.113.jar
CodeChickenLib-1.7.10-1.1.3.136-universal.jar
FloodLights-1.7.10-0.4.3-62.jar

Update your Java to version 7 or 8, you are still using a really really old version. I have marked my mod as not compatible with Java 6.