Just a bit of a question, did you by chance have any extra utils pipes placed in the world? I keep getting a crash for a stack overflow and it seems to be referencing only extra util pipes.
---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.
Time: 1/20/16 8:06 PM
Description: Unexpected error
java.lang.StackOverflowError: Unexpected error
at java.util.HashMap.containsKey(Unknown Source)
at java.util.HashSet.contains(Unknown Source)
at com.rwtema.extrautils.tileentity.transfernodes.TNHelper.getPipe(TNHelper.java:146)
at com.rwtema.extrautils.tileentity.transfernodes.pipes.PipeCrossOver.canInput(PipeCrossOver.java:83)
at com.rwtema.extrautils.tileentity.transfernodes.pipes.PipeCrossOver.canInput(PipeCrossOver.java:92)
at com.rwtema.extrautils.tileentity.transfernodes.pipes.PipeCrossOver.canInput(PipeCrossOver.java:92)
at com.rwtema.extrautils.tileentity.transfernodes.pipes.PipeCrossOver.canInput(PipeCrossOver.java:92)
at com.rwtema.extrautils.tileentity.transfernodes.pipes.PipeCrossOver.canInput(PipeCrossOver.java:92)
.....and it repeats ad nauseum until minecraft gives up and crashes
this may help too, it gives a rough location in game for the error
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['the_elder_sign'/184, l='MpServer', x=699.50, y=65.62, z=314.50]]
Chunk stats: MultiplayerChunkCache: 289, 289
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (691,4,322), Chunk: (at 3,0,2 in 43,20; contains blocks 688,0,320 to 703,255,335), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
Level time: 2420 game time, 246 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 37 total; [EntityCartChest['entity.MinecartChest.name'/135, l='MpServer', x=800.50, y=16.85, z=330.50], EntityCartChest['entity.MinecartChest.name'/151, l='MpServer', x=800.50, y=16.85, z=390.50], EntityCartChest['entity.MinecartChest.name'/152, l='MpServer', x=819.50, y=14.85, z=261.50], EntitySquid['Squid'/27, l='MpServer', x=651.50, y=61.31, z=375.72], EntitySquid['Squid'/28, l='MpServer', x=644.50, y=61.00, z=379.22], EntityItem['item.item.arrow'/29, l='MpServer', x=666.13, y=9.13, z=366.88], EntityItem['item.item.bone'/30, l='MpServer', x=665.38, y=8.13, z=365.63], EntityCartChest['entity.MinecartChest.name'/158, l='MpServer', x=825.50, y=15.85, z=280.50], EntityBat['Bat'/31, l='MpServer', x=685.91, y=32.97, z=238.75], EntityItem['item.item.dyePowder.black'/32, l='MpServer', x=686.91, y=62.13, z=337.13], EntityCartChest['entity.MinecartChest.name'/160, l='MpServer', x=825.50, y=6.85, z=323.50], EntityItem['item.item.dyePowder.black'/33, l='MpServer', x=685.13, y=62.13, z=336.47], EntityItem['item.tile.rail'/34, l='MpServer', x=731.59, y=8.13, z=339.25], EntityItem['item.tile.rail'/35, l='MpServer', x=730.44, y=8.13, z=338.25], EntityItem['item.tile.rail'/36, l='MpServer', x=733.81, y=8.13, z=337.13], EntityTFNagaSegment['unknown'/230, l='MpServer', x=0.00, y=0.00, z=0.00], EntityCartChest['entity.MinecartChest.name'/102, l='MpServer', x=798.50, y=15.85, z=377.50], EntityTFNagaSegment['unknown'/231, l='MpServer', x=0.00, y=0.00, z=0.00], EntityTFNagaSegment['unknown'/232, l='MpServer', x=0.00, y=0.00, z=0.00], EntityCartChest['entity.MinecartChest.name'/104, l='MpServer', x=798.50, y=16.85, z=382.50], EntityTFNagaSegment['unknown'/233, l='MpServer', x=0.00, y=0.00, z=0.00], EntityTFNagaSegment['unknown'/234, l='MpServer', x=0.00, y=0.00, z=0.00], EntityTFNagaSegment['unknown'/235, l='MpServer', x=0.00, y=0.00, z=0.00], EntityCartChest['entity.MinecartChest.name'/107, l='MpServer', x=812.50, y=17.85, z=292.50], EntityTFNagaSegment['unknown'/236, l='MpServer', x=0.00, y=0.00, z=0.00], EntityTFNagaSegment['unknown'/237, l='MpServer', x=0.00, y=0.00, z=0.00], EntityTFNagaSegment['unknown'/238, l='MpServer', x=0.00, y=0.00, z=0.00], EntityBat['Bat'/46, l='MpServer', x=763.56, y=14.09, z=363.88], EntityTFNagaSegment['unknown'/239, l='MpServer', x=0.00, y=0.00, z=0.00], EntityBat['Bat'/47, l='MpServer', x=763.75, y=13.94, z=368.13], EntityTFNagaSegment['unknown'/240, l='MpServer', x=0.00, y=0.00, z=0.00], EntityTFNagaSegment['unknown'/241, l='MpServer', x=0.00, y=0.00, z=0.00], EntityBat['Bat'/50, l='MpServer', x=763.75, y=14.78, z=369.56], EntityBat['Bat'/52, l='MpServer', x=765.25, y=15.09, z=375.75], EntityClientPlayerMP['the_elder_sign'/184, l='MpServer', x=699.50, y=65.62, z=314.50], EntityCartChest['entity.MinecartChest.name'/59, l='MpServer', x=781.50, y=13.85, z=357.50], EntityCartChest['entity.MinecartChest.name'/62, l='MpServer', x=790.50, y=9.85, z=261.50]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2432)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:916)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)