Summary of the problem Crash when attempting to launch Pack Version 1.3.3 What is the bug? The Minecraft process crashes shortly after it is started. I've tried both 1.4.1 (recommended) and 1.5.1 (latest) and the result is the same. The linked log is from 1.5.1. OS: Gentoo Linux 4.9.0 amd64 FTB Launcher version: 1.4.12 Java version: Oracle JRE 1.8.0_112 CPU: AMD FX-9590 RAM: 16GB total; 6GB allocated GPU: NVIDIA GeForce GTX460 1GB; driver version 375.26 (Have also tried on a different PC with a Phenom II X6 1090T CPU and GTX260 GPU with driver version 340.101) Mod & Version N/A - crash occurs before game has started. Link to log file http://paste.feed-the-beast.com/view/b516ff85 Is it repeatable? Yes. Steps to duplicate: Run launcher, select Infinity Lite, hit "Launch" and wait. Known Fix No workaround yet found.