Gem cutting research crashing minecraft about from-the-ground-up HOT 4 CLOSED

So, somehow FTGU managed to get Stellar Sky to crash every time the world is loaded. Do you have a crash report of the first crash? (when you crashed due to the Gem Cutting research)

from from-the-ground-up.

i think this is the full one (and hopefully the right one)

---- Minecraft Crash Report ----

WARNING: coremods are present:
Inventory Tweaks Coremod (InventoryTweaks-1.62+beta.86.jar)
AppleCore (AppleCore-mc1.11.2-2.1.2.jar)
LittlePatchingLoader (LittleTiles v1.4.8 mc1.11.2.jar)
CreativePatchingLoader (CreativeCore v1.7.3 mc1.11.2.jar)
IvToolkit (IvToolkit-1.3.2.1.jar)
RBLoadingPlugin (RealBench-1.11.2-1.3.2.jar)
ForgelinPlugin (Forgelin-1.4.1.jar)
Contact their authors BEFORE contacting forge

// Hey, that tickles! Hehehe!

Time: 5/2/17 2:53 PM
Description: Rendering screen

java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
at java.util.ArrayList$Itr.next(ArrayList.java:851)
at mezz.jei.render.GuiIngredientFastList.render(GuiIngredientFastList.java:165)
at mezz.jei.gui.overlay.IngredientGrid.draw(IngredientGrid.java:140)
at mezz.jei.gui.overlay.ItemListOverlay.drawScreen(ItemListOverlay.java:160)
at mezz.jei.gui.GuiEventHandler.onDrawBackgroundEventPost(GuiEventHandler.java:73)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_361_GuiEventHandler_onDrawBackgroundEventPost_BackgroundDrawnEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:185)
at net.minecraft.client.gui.GuiScreen.func_146276_q_(GuiScreen.java:586)
at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:73)
at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:382)
at net.minecraft.client.renderer.EntityRenderer.func_181560_a(EntityRenderer.java:1115)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1077)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:372)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

A detailed walkthrough of the error, its code path and all known details is as follows:

-- Head --
Thread: Client thread
Stacktrace:
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
at java.util.ArrayList$Itr.next(ArrayList.java:851)
at mezz.jei.render.GuiIngredientFastList.render(GuiIngredientFastList.java:165)
at mezz.jei.gui.overlay.IngredientGrid.draw(IngredientGrid.java:140)
at mezz.jei.gui.overlay.ItemListOverlay.drawScreen(ItemListOverlay.java:160)
at mezz.jei.gui.GuiEventHandler.onDrawBackgroundEventPost(GuiEventHandler.java:73)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_361_GuiEventHandler_onDrawBackgroundEventPost_BackgroundDrawnEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:185)
at net.minecraft.client.gui.GuiScreen.func_146276_q_(GuiScreen.java:586)
at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:73)
at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:382)

-- Screen render details --
Details:
Screen name: ftgumod.gui.ideatable.GuiIdeaTable
Mouse location: Scaled: (237, 209). Absolute: (475, 419)
Screen size: Scaled: (475, 419). Absolute: (950, 838). Scale factor of 2

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityPlayerSP['SamuelDancing'/73, l='MpServer', x=290.82, y=100.00, z=3950.94]]
Chunk stats: MultiplayerChunkCache: 625, 625
Level seed: 0
Level generator: ID 04 - customized, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (239,101,410), Chunk: (at 15,6,10 in 14,25; contains blocks 224,0,400 to 239,255,415), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 266067 game time, 266067 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: 76 total; [EntityZombie['Zombie'/128, l='MpServer', x=246.50, y=18.00, z=3954.50], EntityZombie['Zombie'/129, l='MpServer', x=246.50, y=18.00, z=3955.50], EntityZombie['Zombie'/131, l='MpServer', x=251.50, y=11.00, z=3969.50], EntityCreeper['Creeper'/133, l='MpServer', x=245.53, y=18.00, z=3961.77], EntityCreeper['Creeper'/134, l='MpServer', x=257.50, y=20.00, z=3918.50], EntityEnderman['Enderman'/137, l='MpServer', x=265.87, y=21.00, z=3933.04], EntityBat['Bat'/138, l='MpServer', x=260.75, y=21.97, z=3923.75], EntityBat['Bat'/140, l='MpServer', x=293.66, y=12.96, z=4012.24], EntitySkeleton['Skeleton'/141, l='MpServer', x=301.50, y=32.00, z=4024.50], EntityCreeper['Creeper'/142, l='MpServer', x=289.47, y=21.00, z=4005.77], EntityBat['Bat'/143, l='MpServer', x=307.75, y=23.10, z=4029.50], EntitySquid['Squid'/144, l='MpServer', x=334.86, y=61.35, z=3988.02], EntitySkeleton['Skeleton'/272, l='MpServer', x=314.50, y=27.00, z=3991.50], EntityWitch['Witch'/146, l='MpServer', x=272.11, y=22.00, z=4002.60], EntitySkeleton['Skeleton'/274, l='MpServer', x=263.50, y=22.00, z=3910.50], EntityZombie['Zombie'/147, l='MpServer', x=285.50, y=19.00, z=3984.50], EntityZombie['Zombie'/148, l='MpServer', x=285.54, y=21.00, z=3999.74], EntitySpider['Spider'/149, l='MpServer', x=276.50, y=28.00, z=3997.50], EntityBat['Bat'/150, l='MpServer', x=276.58, y=11.51, z=3988.49], EntityBat['Bat'/151, l='MpServer', x=280.42, y=26.10, z=3997.09], EntityZombie['Zombie'/154, l='MpServer', x=273.48, y=20.00, z=4027.78], EntityCreeper['Creeper'/156, l='MpServer', x=280.50, y=44.00, z=4029.50], EntitySpider['Spider'/157, l='MpServer', x=274.95, y=26.00, z=4018.06], EntityCreeper['Creeper'/161, l='MpServer', x=303.47, y=35.00, z=3986.85], EntityCreeper['Creeper'/289, l='MpServer', x=283.50, y=23.00, z=4005.50], EntitySquid['Squid'/162, l='MpServer', x=300.32, y=98.79, z=3985.61], EntityCreeper['Creeper'/290, l='MpServer', x=285.50, y=23.00, z=4005.50], EntityBat['Bat'/163, l='MpServer', x=312.25, y=28.46, z=3990.43], EntityBat['Bat'/164, l='MpServer', x=305.74, y=36.12, z=3992.68], EntityCreeper['Creeper'/292, l='MpServer', x=286.50, y=23.00, z=4006.50], EntityCreeper['Creeper'/293, l='MpServer', x=288.50, y=23.00, z=4006.50], EntityCustomNpc['Aldny'/168, l='MpServer', x=284.50, y=53.00, z=3956.50], EntityBat['Bat'/172, l='MpServer', x=359.68, y=21.09, z=3984.92], EntitySpider['Spider'/174, l='MpServer', x=354.50, y=29.00, z=3970.50], EntitySkeleton['Skeleton'/302, l='MpServer', x=369.50, y=40.00, z=3960.50], EntitySpider['Spider'/175, l='MpServer', x=354.50, y=29.00, z=3970.50], EntitySkeleton['Skeleton'/303, l='MpServer', x=370.50, y=40.00, z=3961.50], EntitySpider['Spider'/176, l='MpServer', x=362.50, y=26.00, z=3978.50], EntityZombie['Zombie'/304, l='MpServer', x=369.50, y=40.00, z=3962.50], EntitySkeleton['Skeleton'/305, l='MpServer', x=363.50, y=40.00, z=3962.50], EntitySkeleton['Skeleton'/178, l='MpServer', x=345.50, y=24.00, z=4022.50], EntitySkeleton['Skeleton'/183, l='MpServer', x=358.50, y=40.00, z=3962.50], EntityBat['Bat'/311, l='MpServer', x=217.52, y=28.88, z=4012.70], EntityBat['Bat'/312, l='MpServer', x=303.84, y=34.40, z=4025.45], EntityZombie['Zombie'/185, l='MpServer', x=370.81, y=30.00, z=3914.51], EntityCreeper['Creeper'/315, l='MpServer', x=283.50, y=33.00, z=4030.50], EntityPlayerSP['SamuelDancing'/73, l='MpServer', x=290.82, y=100.00, z=3950.94], EntityCreeper['Creeper'/324, l='MpServer', x=252.50, y=27.00, z=4014.50], EntityZombie['Zombie'/326, l='MpServer', x=251.50, y=21.00, z=3966.50], EntityZombie['Zombie'/328, l='MpServer', x=236.50, y=13.00, z=3961.50], EntityZombie['Zombie'/329, l='MpServer', x=236.50, y=13.00, z=3961.50], EntitySquid['Squid'/74, l='MpServer', x=275.15, y=98.44, z=3944.08], EntityCreeper['Creeper'/78, l='MpServer', x=228.50, y=40.00, z=3996.50], EntityCreeper['Creeper'/79, l='MpServer', x=226.84, y=33.00, z=3985.53], EntityBat['Bat'/80, l='MpServer', x=248.67, y=19.86, z=3956.55], EntityBat['Bat'/85, l='MpServer', x=246.58, y=15.17, z=3947.50], EntityZombie['Zombie'/87, l='MpServer', x=252.50, y=20.00, z=3936.50], EntityCreeper['Creeper'/344, l='MpServer', x=287.50, y=23.00, z=4005.50], EntityZombie['Zombie'/346, l='MpServer', x=240.50, y=16.00, z=3958.50], EntityZombie['Zombie'/347, l='MpServer', x=240.50, y=16.00, z=3959.50], EntityCreeper['Creeper'/348, l='MpServer', x=238.50, y=16.00, z=3957.50], EntitySquid['Squid'/94, l='MpServer', x=253.38, y=76.97, z=3900.57], EntityBat['Bat'/96, l='MpServer', x=246.58, y=18.02, z=3954.21], EntityCreeper['Creeper'/97, l='MpServer', x=250.57, y=41.00, z=3904.92], EntitySkeleton['Skeleton'/98, l='MpServer', x=264.50, y=18.00, z=3903.50], EntitySkeleton['Skeleton'/104, l='MpServer', x=266.21, y=19.00, z=4015.51], EntitySkeleton['Skeleton'/106, l='MpServer', x=263.53, y=16.00, z=4028.69], EntityZombie['Zombie'/107, l='MpServer', x=272.53, y=19.00, z=4025.73], EntityBat['Bat'/108, l='MpServer', x=260.75, y=22.10, z=4023.42], EntitySkeleton['Skeleton'/109, l='MpServer', x=271.67, y=19.00, z=4025.73], EntityCreeper['Creeper'/110, l='MpServer', x=269.50, y=33.00, z=4018.50], EntityZombie['Zombie'/113, l='MpServer', x=262.70, y=18.00, z=4000.30], EntityCreeper['Creeper'/118, l='MpServer', x=220.50, y=28.00, z=4028.50], EntityZombie['Zombie'/119, l='MpServer', x=263.71, y=12.00, z=3976.51], EntityBat['Bat'/120, l='MpServer', x=268.36, y=38.14, z=3974.54], EntitySkeleton['Skeleton'/124, l='MpServer', x=231.17, y=21.00, z=4028.36]]
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:415)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2655)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:393)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.11.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 239224336 bytes (228 MB) / 1937244160 bytes (1847 MB) up to 3817865216 bytes (3641 MB)
JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4096m -Xms256m -XX:PermSize=256m
IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
FML: MCP 9.38 Powered by Forge 13.20.0.2282 56 mods loaded, 56 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA minecraft{1.11.2} [Minecraft] (minecraft.jar)
UCHIJAAAA mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAA FML{8.0.99.99} [Forge Mod Loader] (forge-1.11.2-13.20.0.2282.jar)
UCHIJAAAA forge{13.20.0.2282} [Minecraft Forge] (forge-1.11.2-13.20.0.2282.jar)
UCHIJAAAA creativecoredummy{1.0.0} [CreativeCoreDummy] (minecraft.jar)
UCHIJAAAA ivtoolkit{1.3.2.1} [IvToolkit] (minecraft.jar)
UCHIJAAAA littletilescore{1.0.0} [LittleTilesCore] (minecraft.jar)
UCHIJAAAA applecore{2.1.2} [AppleCore] (AppleCore-mc1.11.2-2.1.2.jar)
UCHIJAAAA betterbuilderswands{0.11.1} [Better Builder's Wands] (BetterBuildersWands-1.11-0.11.1.239+9162f74.jar)
UCHIJAAAA buildersguides{1.11.2-0.1.0} [Builders Guides] (buildersguides-1.11.2-0.1.0.jar)
UCHIJAAAA buildingbootsmod{Alpha1_2} [BuildingBootsMod] (BuildingBootsMod1.11.2v1_2.jar)
UCHIJAAAA clarity{1.0} [Clarity] (clarity-1.0.jar)
UCHIJAAAA cleanview{1.10.2-v1} [CleanView] (CleanView-1.10.2-v1.jar)
UCHIJAAAA coralreef{1.0} [Coral Reef] (CoralReef-1.4.jar)
UCHIJAAAA eleccore{1.7.418} [ElecCore] (ElecCore-1.11-1.7.418.jar)
UCHIJAAAA craftingtableiv{1.0} [CraftingTable-IV] (CraftingTableIV-1.4.113.jar)
UCHIJAAAA creativecore{1.7.4} [CreativeCore] (CreativeCore v1.7.3 mc1.11.2.jar)
UCHIJAAAA customnpcs{1.11.2} [CustomNPCs] (CustomNPCs_1.11.2_beta(17mar17).jar)
UCHIJAAAA cyclopscore{0.10.2} [Cyclops Core] (CyclopsCore-1.11.2-0.10.2.jar)
UCHIJAAAA defaultworldgenerator-port{1.11.2-1.0} [Default World Generator] (DefaultWorldGenerator-port-1.11.2-1.0.jar)
UCHIJAAAA logicaldrops{0.9.4} [Logical Drops] (EM3R50N-LogicalDrops-1.11.2-13.20.0.2201.jar)
UCHIJAAAA csb_ench_table{1.1} [Lapis Stays in the Enchanting Table] (EnchantingTable-1.11-1.1.jar)
UCHIJAAAA everlastingabilities{1.2.4} [EverlastingAbilities] (EverlastingAbilities-1.11.2-1.2.4.jar)
UCHIJAAAA forgelin{1.4.1} [Forgelin] (Forgelin-1.4.1.jar)
UCHIJAAAA ftgumod{Minecraft 1.10.2} [From the Ground Up] (FTGU-1.11.2-b1.1.4.jar)
UCHIJAAAA fishing{1.5.1} [Fishing Net Mod] (GiacomosFishingNet-1.11.2-1.5.1.jar)
UCHIJAAAA gravelminer{5.1.1} [GravelMiner] (GravelMiner_1.11-5.1.1.jar)
UCHIJAAAA hammercore{1.5.5} [Hammer Core] (HammerCore_1.11.2-1.5.5.jar)
UCHIJAAAA infernalmobs{1.7.2} [Infernal Mobs] (InfernalMobs-1.11.2.jar)
UCHIJAAAA intwheel{1.2.4} [Interaction Wheel] (intwheel-1.1x-1.2.4.jar)
UCHIJAAAA inventorytweaks{1.62+beta.86.e69c6bf} [Inventory Tweaks] (InventoryTweaks-1.62+beta.86.jar)
UCHIJAAAA jei{4.3.3.266} [Just Enough Items] (jei_1.11.2-4.3.3.266.jar)
UCHIJAAAA journeymap{1.11.2-5.4.6} [JourneyMap] (journeymap-1.11.2-5.4.6.jar)
UCHIJAAAA jeresources{0.6.2.104} [Just Enough Resources] (JustEnoughResources-1.11.2-0.6.2.104.jar)
UCHIJAAAA shadowmc{3.7.1} [ShadowMC] (ShadowMC-1.11.2-3.7.5.jar)
UCHIJAAAA leveluphp{1.0.1} [Level Up HP] (leveluphp-1.11-1.0.1.jar)
UCHIJAAAA littletiles{1.4.8} [LittleTiles] (LittleTiles v1.4.8 mc1.11.2.jar)
UCHIJAAAA llor{1.1.3-mc1.11.2} [Light Level Overlay Reloaded] (LLOverlayReloaded-1.1.3-mc1.11.2.jar)
UCHIJAAAA morpheus{1.11.2-3.2.13} [Morpheus] (Morpheus-1.11.2-3.2.13.jar)
UCHIJAAAA newthings{1.6-1.11.2} [101 New Things] (newthings-1.4-1.11.2.jar)
UCHIJAAAA nofov{1.0.1} [No FOV] (NoFov-MC1.11-1.0.1.jar)
UCHIJAAAA nopotionshift{1.1.0} [nopotionshift] (nopotionshift_1.11.2-1.1.0.jar)
UCHIJAAAA samsocean{1.0.1} [Ocean Floor Classic] (OceanFloor-1.11-1.0.1.jar)
UCHIJAAAA harvestcraft{1.11.2g} [Pam's HarvestCraft] (Pam's HarvestCraft 1.11.2h.jar)
UCHIJAAAA playerstats2{14r} [Player Stats 2] (PlayerStats2_1.11.2-14r.jar)
UCHIJAAAA realistictorches{2.1.0} [Realistic Torches] (RealisticTorches-1.11.2-2.1.0.jar)
UCHIJAAAA reccomplex{1.2.10} [Recurrent Complex] (RecurrentComplex-1.2.10.jar)
UCHIJAAAA roughtweaks{1.0} [Rough Tweaks] (roughTweaks-0.2.2.jar)
UCHIJAAAA spiceoflife{1.3.8} [The Spice of Life] (SpiceOfLife-mc1.11.2-1.3.8.jar)
UCHIJAAAA stellarapi{0.6.4.1.3} [Stellar API] (Stellar API-0.6.4.1.3.jar)
UCHIJAAAA stellarsky{0.6.5.1.4} [Stellar Sky] (Stellar Sky-0.6.5.1.4.jar)
UCHIJAAAA switchbow{1.2} [Switch-Bow] (switchbow-1.2.jar)
UCHIJAAAA toolupgrades{1.2.3} [§9Tool-Upgrades Mod] (Tool Upgrades 1.11.2 (v.1.2.3).jar)
UCHIJAAAA veinminer{0.35.3} [Vein Miner] (VeinMiner-1.11-0.35.3.605+dad98e1.jar)
UCHIJAAAA veinminermodsupport{0.35.3} [Mod Support] (VeinMiner-1.11-0.35.3.605+dad98e1.jar)
UCHIJAAAA wearablebackpacks{2.3.0} [Wearable Backpacks] (WearableBackpacks-1.11.2-2.3.0.jar)
Loaded coremods (and transformers):
Inventory Tweaks Coremod (InventoryTweaks-1.62+beta.86.jar)
invtweaks.forge.asm.ContainerTransformer
AppleCore (AppleCore-mc1.11.2-2.1.2.jar)
squeek.applecore.asm.TransformerModuleHandler
LittlePatchingLoader (LittleTiles v1.4.8 mc1.11.2.jar)
com.creativemd.littletiles.LittleTilesTransformer
CreativePatchingLoader (CreativeCore v1.7.3 mc1.11.2.jar)

IvToolkit (IvToolkit-1.3.2.1.jar)

RBLoadingPlugin (RealBench-1.11.2-1.3.2.jar)
pw.prok.realbench.asm.RBTransformer
ForgelinPlugin (Forgelin-1.4.1.jar)

GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13399 Compatibility Profile Context 15.201.1151.1008' Renderer: 'AMD Radeon HD 6900 Series'
Launched Version: forge-13.20.0.2282
LWJGL: 2.9.4
OpenGL: AMD Radeon HD 6900 Series GL version 4.5.13399 Compatibility Profile Context 15.201.1151.1008, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.

Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: 
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 8x AMD FX(tm)-8320 Eight-Core Processor 

from from-the-ground-up.

also sorry for the late reply.

from from-the-ground-up.

None of these crash reports is caused by FTGU... Closing this for now.

from from-the-ground-up.