---- Minecraft Crash Report ----
// Why did you do that?

Time: 12/12/16 2:01 PM
Description: Exception in server tick loop

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
	at java.util.HashMap$ValueIterator.next(HashMap.java:1466)
	at twilightforest.world.MapGenTFHollowTree.generateStructuresInChunk(MapGenTFHollowTree.java:92)
	at twilightforest.world.ChunkProviderTwilightForest.func_73153_a(ChunkProviderTwilightForest.java:952)
	at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:442)
	at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1201)
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:77)
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:15)
	at net.minecraftforge.common.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:189)
	at net.minecraftforge.common.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:354)
	at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:30)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:917)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
	at java.lang.Thread.run(Thread.java:745)


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

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Thermos Version: cyberdynecc:Thermos:1.7.10-1614.58
	Plugins: CoreProtect, WorldEdit, Playtime, OpenInv, Essentials, CommandBlocker, ClearLag, AutoMessage, WorldBorder, PiBans, WorldGuard, AutoSaveWorld, RedstoneClockDetector, EssentialsProtect, VoxelSniper, iConomy, PermissionsEx, Vault, HideStream, EssentialsSpawn, MassiveCore, WitherFixer, WorldGuardEventWrapper, Factions, AncientGates, ChatEx, Scavenger, ProtocolLib, ModFixNG, ChatGuard, HolographicDisplays
	Disabled Plugins:
	Operating System: Linux (amd64) version 4.4.30-mod-std-ipv6-64
	Java Version: 1.8.0_111, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 4289995936 bytes (4091 MB) / 8540127232 bytes (8144 MB) up to 8540127232 bytes (8144 MB)
	JVM Flags: 17 total; -Xmx8G -Xms8G -XX:SharedReadOnlySize=128M -XX:+UseConcMarkSweepGC -XX:ConcGCThreads=4 -XX:MaxGCPauseMillis=2500 -XX:+AggressiveOpts -XX:+UseFastAccessorMethods -XX:-UseGCOverheadLimit -XX:SurvivorRatio=12 -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=15 -XX:+RewriteFrequentPairs -XX:+UseCompressedOops -XX:+EliminateLocks -XX:+UseThreadPriorities -XX:ThreadPriorityPolicy=42
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 502, allocated: 0, tallocated: 74
	FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 33 mods loaded, 33 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJAAAA	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJAAAA	FML{7.10.99.99} [Forge Mod Loader] (server.jar)
	UCHIJAAAA	Forge{10.13.4.1614} [Minecraft Forge] (server.jar)
	UCHIJAAAA	kimagine{0.2} [KImagine] (minecraft.jar)
	UCHIJAAAA	CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
	UCHIJAAAA	ThaumicTinkerer-preloader{0.1} [Thaumic Tinkerer Core] (minecraft.jar)
	UCHIJAAAA	bspkrsCore{6.16} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.16.jar)
	UCHIJAAAA	Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
	UCHIJAAAA	Thaumcraft{4.2.3.5} [Thaumcraft] (Thaumcraft-4.2.3.5-serveredition.jar)
	UCHIJAAAA	thaumcraftneiplugin{@VERSION@} [Thaumcraft NEI Plugin] ([Client]thaumcraftneiplugin-1.7a.jar)
	UCHIJAAAA	BiblioCraft{1.11.5} [BiblioCraft] (BiblioCraft-1.11.5-serveredition.jar)
	UCHIJAAAA	BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-2.1.0.1889-serveredition.jar)
	UCHIJAAAA	AWWayofTime{v1.3.3} [Blood Magic: Alchemical Wizardry] (BloodMagic-1.3.3-17-serveredition.jar)
	UCHIJAAAA	Botania{r1.8-249} [Botania] (Botania-r1.8-249-serveredition.jar)
	UCHIJAAAA	TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-2.3.7-serveredition.jar)
	UCHIJAAAA	chisel{2.9.5.11} [Chisel] (Chisel-2.9.5.11-serveredition.jar)
	UCHIJAAAA	CarpentersBlocks{3.3.8.1} [Carpenter's Blocks] (Carpenters-Blocks-3.3.8.1-serveredition.jar)
	UCHIJAAAA	climatecontrol{0.6.beta57} [Climate Control] (ClimateControl-0.6.beta59.jar)
	UCHIJAAAA	EventHelper{1.6} [EventHelper] (EventHelper-1.6-serveredition.jar)
	UCHIJAAAA	Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar)
	UCHIJAAAA	ThaumicTinkerer{unspecified} [Thaumic Tinkerer] (ThaumicTinkerer-2.5-538-serveredition.jar)
	UCHIJAAAA	ForbiddenMagic{1.7.10-0.575} [Forbidden Magic] (Forbidden-Magic-0.575.jar)
	UCHIJAAAA	GrimoireOfGaia{1.0.0} [Grimoire of Gaia 3] (GrimoireOfGaia3-1.2.7-serveredition.jar)
	UCHIJAAAA	iChunUtil{4.2.3} [iChunUtil] (iChunUtil-4.2.3.jar)
	UCHIJAAAA	IronChest{6.0.62.742} [Iron Chest] (ironchest-1.7.10-6.0.62.742-universal.jar)
	UCHIJAAAA	Mantle{1.7.10-0.3.2.jenkins191} [Mantle] (Mantle-1.7.10-0.3.2b-serveredition.jar)
	UCHIJAAAA	xModBlocker{1.0} [xModBlocker] (Mine-Play-Blocker-serveredition.jar)
	UCHIJAAAA	lift{2.0.1} [Lift Mod] (Mine-Play-Lifts-serveredition.jar)
	UCHIJAAAA	Trade{1.0} [Trade] (Mine-Play-Trader-serverediton.jar)
	UCHIJAAAA	MineTweaker3{3.0.10} [MineTweaker 3] (MineTweaker3-1.7.10-3.0.10B.jar)
	UCHIJAAAA	TConstruct{1.7.10-1.8.8.build988} [Tinkers' Construct] (TConstruct-1.8.8-serveredition.jar)
	UCHIJAAAA	ThaumicHorizons{1.1.9} [Thaumic Horizons] (thaumichorizons-1.1.9-serveredition.jar)
	UCHIJAAAA	witchery{0.24.1} [Witchery] (witchery-0.24.1-serveredition.jar)
	Mantle Environment: DO NOT REPORT THIS CRASH! Unsupported mods in environment: bukkit
	TConstruct Environment: Environment healthy.
	Chisel: Errors like "[FML]: Unable to lookup ..." are NOT the cause of this crash. You can safely ignore these errors. And update forge while you're at it.
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 42 / 100; [EntityPlayerMP['RuFF'/1212, l='DIM7', x=4286.55, y=32.00, z=-4465.98](RuFF at 4286.547353417041,32.0,-4465.983934769632), EntityPlayerMP['SemchenkoKirill2'/122335, l='world', x=312.92, y=70.17, z=724.42](SemchenkoKirill2 at 312.92415619655424,70.1707870772188,724.4162151977206), EntityPlayerMP['Dimaxx'/1073, l='world', x=747.59, y=63.00, z=207.41](Dimaxx at 747.594979783227,63.0,207.4067039147697), EntityPlayerMP['Motorsport'/338550, l='world', x=355.72, y=65.50, z=-442.50](Motorsport at 355.71584959764783,65.5,-442.5019696343982), EntityPlayerMP['BlekflipGG'/139873, l='world', x=-2346.48, y=101.00, z=153.19](BlekflipGG at -2346.4811530748448,101.0,153.18523585634213), EntityPlayerMP['pom4ik'/273862, l='world', x=-299.94, y=77.00, z=-1802.65](pom4ik at -299.94154924372265,77.0,-1802.6487622514471), EntityPlayerMP['Mirumie'/373389, l='world', x=1423.70, y=52.00, z=-2535.48](Mirumie at 1423.699999988079,52.0,-2535.47604007942), EntityPlayerMP['egorrich228'/410739, l='world', x=-63.59, y=67.02, z=-1813.14](egorrich228 at -63.59150045573377,67.0155550727022,-1813.138406536231), EntityPlayerMP['SAYDERshow'/358356, l='world', x=-64.70, y=64.00, z=-46.13](SAYDERshow at -64.69999998807907,64.0,-46.12649681993124), EntityPlayerMP['wam'/435972, l='world', x=364.08, y=82.00, z=80.94](wam at 364.0826987727526,82.0,80.93644313588511), EntityPlayerMP['privet1AID'/436771, l='world', x=371.88, y=64.00, z=-3904.40](privet1AID at 371.88113126376186,64.0,-3904.400358170618), EntityPlayerMP['AndrVanPC'/437836, l='world', x=-265.90, y=82.00, z=346.18](AndrVanPC at -265.89869085718556,82.0,346.1773097535102), EntityPlayerMP['Makfly'/433935, l='world', x=-352.70, y=107.82, z=-1230.70](Makfly at -352.69999998807907,107.82291456357379,-1230.699999988079), EntityPlayerMP['sasha167'/448008, l='world', x=-80.28, y=63.00, z=-114.17](sasha167 at -80.28446678236114,63.0,-114.1747813777802), EntityPlayerMP['Roisimos'/451731, l='world', x=-1893.19, y=67.00, z=-3864.05](Roisimos at -1893.1939025823349,67.0,-3864.0463299223984), EntityPlayerMP['HuskMan'/455311, l='world', x=1445.75, y=65.00, z=-137.01](HuskMan at 1445.7534909369626,65.0,-137.00796869863348), EntityPlayerMP['wasd1'/476163, l='DIM7', x=-473.19, y=29.00, z=754.08](wasd1 at -473.1888042639291,29.0,754.0769072730429), EntityPlayerMP['MrCuPrUm'/483215, l='world', x=356.63, y=65.00, z=-439.30](MrCuPrUm at 356.6283563969771,65.0,-439.3012175790016), EntityPlayerMP['badim4ik'/490664, l='world', x=-284.75, y=77.00, z=-1807.57](badim4ik at -284.74981144133875,77.0,-1807.567079023834), EntityPlayerMP['Willimaster2203'/493361, l='world', x=483.21, y=60.00, z=-200.68](Willimaster2203 at 483.2055582640275,60.0,-200.68435905776346), EntityPlayerMP['Dima2013'/499812, l='world', x=24.30, y=71.00, z=-381.30](Dima2013 at 24.296354728934446,71.0,-381.30000001192093), EntityPlayerMP['MaxHackPRO'/500231, l='world', x=-1908.51, y=68.00, z=-3876.70](MaxHackPRO at -1908.505763932782,68.0,-3876.699999988079), EntityPlayerMP['FireS'/503814, l='world', x=3288.36, y=82.94, z=-1969.73](FireS at 3288.3578785906884,82.94242768322064,-1969.7278270849813), EntityPlayerMP['1Green1'/507165, l='DIM7', x=-243.46, y=5.00, z=-174.39](1Green1 at -243.45833150389376,5.0,-174.39317367818163), EntityPlayerMP['tankist1221'/509570, l='world', x=1760.33, y=32.00, z=786.89](tankist1221 at 1760.3298508571868,32.0,786.8909984865819), EntityPlayerMP['xristacos'/515706, l='DIM7', x=296.83, y=37.00, z=-962.97](xristacos at 296.82795045679876,37.0,-962.9729286073089), EntityPlayerMP['Hukuma'/521600, l='world', x=1151.16, y=100.00, z=247.56](Hukuma at 1151.1561673125675,100.0,247.5572708315358), EntityPlayerMP['levon2048'/526828, l='world', x=-11.40, y=81.00, z=727.78](levon2048 at -11.399012419826944,81.0,727.7822176328505), EntityPlayerMP['Rubqn'/532669, l='world', x=-531.61, y=102.75, z=-278.14](Rubqn at -531.6133578175408,102.7531999805212,-278.14247498049247), EntityPlayerMP['zozo9'/533817, l='world', x=979.76, y=81.00, z=1801.70](zozo9 at 979.7601969394723,81.0,1801.699999988079), EntityPlayerMP['pasha204'/524872, l='world', x=-179.40, y=113.00, z=812.33](pasha204 at -179.40142934755426,113.0,812.3251730078284), EntityPlayerMP['vladok007222'/538764, l='world', x=280.92, y=45.00, z=313.60](vladok007222 at 280.92408782877703,45.0,313.60200119757735), EntityPlayerMP['DeusBlich'/539758, l='world', x=2993.69, y=81.00, z=1499.66](DeusBlich at 2993.6939218975253,81.0,1499.664376582635), EntityPlayerMP['lolitroli66'/550491, l='DIM7', x=327.14, y=32.17, z=37.70](lolitroli66 at 327.14047096330023,32.166109260938214,37.69869801064489), EntityPlayerMP['ZetGames'/555318, l='DIM7', x=-1318.29, y=28.00, z=1317.04](ZetGames at -1318.2897628695803,28.00133597911215,1317.035939187539), EntityPlayerMP['Zander'/562365, l='world', x=-413.88, y=84.00, z=557.40](Zander at -413.8836089848319,84.0,557.4027692905968), EntityPlayerMP['emelilove'/498880, l='world', x=-458.61, y=30.00, z=-328.43](emelilove at -458.60932837958904,30.0,-328.43307479167487), EntityPlayerMP['Kratos'/557044, l='world', x=-345.86, y=89.54, z=-127.78](Kratos at -345.8567947972584,89.53584062504456,-127.78206931115787), EntityPlayerMP['vIGORv'/573347, l='world', x=2996.91, y=76.00, z=1497.45](vIGORv at 2996.9141937672402,76.0,1497.4512572618269), EntityPlayerMP['TopIKAID'/574520, l='world', x=-144.38, y=93.00, z=282.24](TopIKAID at -144.3803967226326,93.0,282.2444110431885), EntityPlayerMP['CreeD'/579517, l='world', x=-1629.87, y=73.00, z=-1241.89](CreeD at -1629.8703321450785,73.0,-1241.8919457191598), EntityPlayerMP['Zimkat'/585199, l='world', x=1153.54, y=94.00, z=252.70](Zimkat at 1153.5368152856374,94.0,252.69999998807907)]
	Is Modded: Definitely; Server brand changed to 'thermos,cauldron,craftbukkit,mcpc,kcauldron,fml,forge'
	Type: Dedicated Server (map_server.txt)