lots of this:

08:12:27 WARN: at thaumcraft.common.blocks.BlockWarded.getBlock(BlockWarded.java:109)
08:12:27 WARN: at thaumcraft.common.blocks.BlockWarded.isLadder(BlockWarded.java:264)
08:12:27 WARN: at CoroUtil.pathfinding.PFQueue.findPathOptions(PFQueue.java:1227)
08:12:27 WARN: at CoroUtil.pathfinding.PFQueue.addToPath(PFQueue.java:1078)
08:12:27 WARN: at CoroUtil.pathfinding.PFQueue.createPathTo(PFQueue.java:952)
08:12:27 WARN: at CoroUtil.pathfinding.PFQueue.manageQueue(PFQueue.java:292)
08:12:27 WARN: at CoroUtil.pathfinding.PFQueue.run(PFQueue.java:160)
08:12:27 WARN: at java.lang.Thread.run(Thread.java:745)
Thaumcraft-1.7.10-4.2.3.4 & ZombieAwareness-1.9.6 & coroutil-1.1.2 installed
forge 1236

Should be fixed now for commit f2084dc

Will be making a push to my website with this and other fixes tonight / soon.