Default Could use some help: "unfortunately the process has stopped"

Greetings fellow humans,

I've attempted to flash Infamous S2 3.0 onto my phone twice now using TWRP 2.6, and immediately after the initial boot both times I get the error "unfortunately the process has stopped", and the phone icon is nowhere to be found. I've flashing over Jedi Mind Trick JB 8, and did a factory reset, cache, system, data, and dalvik wipe both times before installing the ROM.

I'm fairly new to the ROM scene, so I wouldn't be surprised if I missed a step (such as installing the correct kernel) or some such. Any ideas?

-update- tried flashing the kernel separately, in case it wasn't packaged with the ROM. Didn't seem to be the problem.