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I have been testing out a minecraft custom modpack i made and planned on using to make a new youtube series but there's just one problem. The world i made for it used to load up ,but now it just... crashes. I don't know why and iv'e tried looking it up but can't find any good results. I would love it if someone could isolate the problem by reading this crash report so i can go back and finish testing the modpack.

The last time i was on the world, i was beginning blood magic and trying to make rune stones when i got off.

---- Minecraft Crash Report ----
// Shall we play a game?

Time: 5/11/16 6:35 PM
Description: Exception in server tick loop

com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1
at com.google.gson.Gson.fromJson(Gson.java:815)
at com.google.gson.Gson.fromJson(Gson.java:768)
at com.google.gson.Gson.fromJson(Gson.java:717)
at org.wyldmods.simpleachievements.common.data.DataManager.loadMap(DataManager.java:184)
at org.wyldmods.simpleachievements.common.data.DataManager.load(DataManager.java:133)
at org.wyldmods.simpleachievements.common.data.DataManager.onWorldLoad(DataManager.java:41)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_698_DataManager_onWorldLoad_Load.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:73)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:92)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1
at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:374)
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:183)
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:145)
at com.google.gson.Gson.fromJson(Gson.java:803)
... 12 more

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

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 509714600 bytes (486 MB) / 1005723648 bytes (959 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1448 119 mods loaded, 119 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1448-1.7.10.jar)
UCHIJAA Forge{10.13.4.1448} [Minecraft Forge] (forge-1.7.10-10.13.4.1448-1.7.10.jar)
UCHIJAA appliedenergistics2-core{rv2-beta-28} [AppliedEnergistics2 Core] (minecraft.jar)
UCHIJAA CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
UCHIJAA NotEnoughItems{1.0.5.118} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.118-universal.jar)
UCHIJAA OpenEye{0.6} [OpenEye] (OpenEye-0.6-1.7.10-snapshot-142.jar)
UCHIJAA VeinMiner_coremod{0.26.0_build.unknown} [Core mod] (minecraft.jar)
UCHIJAA OpenModsCore{0.7.1} [OpenModsCore] (minecraft.jar)
UCHIJAA <CoFH ASM>{000} [CoFH ASM] (minecraft.jar)
UCHIJAA divinerpg{1.4.1.1} [DivineRPG] ([1.7.10][SMP]DivineRPG-1.4.1.1.jar)
UCHIJAA DamageIndicatorsMod{3.2.3} [Damage Indicators] ([1.7.10]DamageIndicatorsMod-3.2.3.jar)
UCHIJAA appliedenergistics2{rv2-beta-28} [Applied Energistics 2] (appliedenergistics2-rv2-beta-28.jar)
UCHIJAA Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
UCHIJAA Thaumcraft{4.2.3.5} [Thaumcraft] (Thaumcraft-1.7.10-4.2.3.5.jar)
UCHIJAA betterstorage{0.13.1.126} [BetterStorage] (BetterStorage-1.7.10-0.13.1.126.jar)
UCHIJAA BetterTitleScreen{1.7.10-1.1} [Better Title Screen] (BetterTitleScreen-1.7.10-1.1.jar)
UCHIJAA BiblioCraft{1.10.3} [BiblioCraft] (BiblioCraft[v1.10.3][MC1.7.10].jar)
UCHIJAA Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar)
UCHIJAA Natura{2.2.0} [Natura] (natura-1.7.10-2.2.0.1.jar)
UCHIJAA BiblioWoodsNatura{1.5} [BiblioWoods Natura Edition] (BiblioWoods[Natura][v1.5].jar)
UCHIJAA AWWayofTime{v1.3.3} [Blood Magic: Alchemical Wizardry] (BloodMagic-1.7.10-1.3.3-13.jar)
UCHIJAA CoFHCore{1.7.10R3.0.3} [CoFH Core] (CoFHCore-[1.7.10]3.0.3-303.jar)
UCHIJAA BuildCraft|Core{7.0.20} [BuildCraft] (buildcraft-7.0.20.jar)
UCHIJAA BuildCraft|Silicon{7.0.20} [BC Silicon] (buildcraft-7.0.20.jar)
UCHIJAA BuildCraft|Transport{7.0.20} [BC Transport] (buildcraft-7.0.20.jar)
UCHIJAA BuildCraft|Builders{7.0.20} [BC Builders] (buildcraft-7.0.20.jar)
UCHIJAA BuildCraft|Robotics{7.0.20} [BC Robotics] (buildcraft-7.0.20.jar)
UCHIJAA BuildCraft|Energy{7.0.20} [BC Energy] (buildcraft-7.0.20.jar)
UCHIJAA BuildCraft|Factory{7.0.20} [BC Factory] (buildcraft-7.0.20.jar)
UCHIJAA ComputerCraft{1.73} [ComputerCraft] (ComputerCraft1.73.jar)
UCHIJAA ThermalFoundation{1.7.10R1.0.0} [Thermal Foundation] (ThermalFoundation-[1.7.10]1.0.0-81.jar)
UCHIJAA ThermalExpansion{1.7.10R4.0.1} [Thermal Expansion] (ThermalExpansion-[1.7.10]4.0.1-182.jar)
UCHIJAA DraconicEvolution{1.0.1-snapshot_10} [Draconic Evolution] (Draconic-Evolution-1.7.10-v1.0.1-RC-5.jar)
UCHIJAA DragonMounts{r41-1.7.10} [Dragon Mounts] (DragonMounts-r41-1.7.10.jar)
UCHIJAA dualhotbar{1.6} [Dual Hotbar] (dualhotbar-1.7.10-1.6.jar)
UCHIJAA MineFactoryReloaded{1.7.10R2.8.0} [MineFactory Reloaded] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA EnderIO{1.7.10-2.2.8.367} [Ender IO] (EnderIO-1.7.10-2.2.8.367.jar)
UCHIJAA EnderStorage{1.4.7.32} [EnderStorage] (EnderStorage-1.7.10-1.4.7.32-universal.jar)
UCHIJAA EnderTech{1.7.10-0.3.2.382} [EnderTech] (EnderTech-1.7.10-0.3.2.382.jar)
UCHIJAA enderutilities{0.4.0-beta-1} [Ender Utilities] (enderutilities-1.7.10-0.4.0-beta-1.jar)
UCHIJAA EE3{0.2.234} [Equivalent Exchange 3] (Equivalent-Exchange-3-Mod-1.7.10.jar)
UCHIJAA exnihilo{1.38-36} [Ex Nihilo] (Ex-Nihilo-1.38-36.jar)
UCHIJAA Waila{1.5.8} [Waila] (Waila-1.5.9_1.7.10.jar)
UCHIJAA TConstruct{1.7.10-1.8.4.build939} [Tinkers' Construct] (TConstruct-1.7.10-1.8.4a.jar)
UCHIJAA exastris{MC1.7.10-1.16-35} [Ex Astris] (Ex-Astris-MC1.7.10-1.16-35.jar)
UCHIJAA FastCraft{1.21} [FastCraft] (fastcraft-1.21.jar)
UCHIJAA Forestry{3.6.3.20} [Forestry for Minecraft] (forestry_1.7.10-3.6.3.20.jar)
UCHIJAA iChunUtil{4.1.2} [iChunUtil] (iChunUtil-4.1.2.jar)
UCHIJAA Hats{4.0.1} [Hats] (Hats-4.0.1.jar)
UCHIJAA HatStand{4.0.0} [HatStand] (HatStand-4.0.0.jar)
UCHIJAA headcrumbs{1.3.1} [Headcrumbs] (Headcrumbs-1.3.1.jar)
UCHIJAA ImmibisCore{59.0.8} [Immibis Core] (immibis-core-59.0.8.jar)
UCHIJAA inventorytweaks{1.58-147-645ca10} [Inventory Tweaks] (InventoryTweaks-1.58-147.jar)
UCHIJAA IronChest{6.0.62.742} [Iron Chest] (ironchest-1.7.10-6.0.62.742-universal.jar)
UCHIJAA LiquidXP{59.0.0} [Liquid XP] (liquid-xp-59.0.0.jar)
UCHIJAA lootbags{1.5.3} [Loot Bags] (LootBags-1.7.10-1.5.3.jar)
UCHIJAA lucky{5.1.0} [Lucky Block] (Lucky-Block-Mod-1.7.10.jar)
UCHIJAA LunatriusCore{1.1.2.21} [LunatriusCore] (LunatriusCore-1.7.10-1.1.2.21-universal.jar)
UCHIJAA magicalcrops{4.0.0_PUBLIC_BETA_3} [Magical Crops] (magicalcrops-4.0.0_PUBLIC_BETA_3.jar)
UCHIJAA RadixCore{2.1.1} [RadixCore] (RadixCore-1.7.10-2.1.1-universal.jar)
UCHIJAA MCA{1.7.10-5.1.1.2} [Minecraft Comes Alive] (MCA-1.7.10-5.1.1.2-universal.jar)
UCHIJAA mfrmagiccropscompat{1.0} [MinefactoryReloaded & MagicalCrops extra compatibility] (minefactory-magicalcrops-compatibility-1.0.jar)
UCHIJAA MineFactoryReloaded|CompatAppliedEnergistics{1.7.10R2.8.0} [MFR Compat: Applied Energistics] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatAtum{1.7.10R2.8.0} [MFR Compat: Atum] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatBackTools{1.7.10R2.8.0} [MFR Compat: BackTools] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatBuildCraft{1.7.10R2.8.0} [MFR Compat: BuildCraft] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatChococraft{1.7.10R2.8.0} [MFR Compat: Chococraft] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatExtraBiomes{1.7.10R2.8.0} [MFR Compat: ExtraBiomes] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatForestry{1.7.10R2.8.0} [MFR Compat: Forestry] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatForgeMicroblock{1.7.10R2.8.0} [MFR Compat: ForgeMicroblock] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatIC2{1.7.10R2.8.0} [MFR Compat: IC2] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatMystcraft{1.7.10R2.8.0} [MFR Compat: Mystcraft] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatProjRed{1.7.10R2.8.0} [MFR Compat ProjectRed] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatRailcraft{1.7.10R2.8.0} [MFR Compat: Railcraft] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatSufficientBiomes{1.7.10R2.8.0} [MFR Compat: Sufficient Biomes] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatThaumcraft{1.7.10R2.8.0} [MFR Compat: Thaumcraft] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatThermalExpansion{1.7.10R2.8.0} [MFR Compat: Thermal Expansion] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatTConstruct{1.7.10R2.8.0} [MFR Compat: Tinkers' Construct] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar)
UCHIJAA MineFactoryReloaded|CompatTwilightForest{1.7.10R2.8.0} [MFR Compat: TwilightForest] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineFactoryReloaded|CompatVanilla{1.7.10R2.8.0} [MFR Compat: Vanilla] (MineFactoryReloaded-[1.7.10]2.8.0-104.jar)
UCHIJAA MineTweaker3{3.0.9B} [MineTweaker 3] (MineTweaker3-1.7.10-3.0.9C.jar)
UCHIJAA modtweaker2{0.7} [Mod Tweaker 2] (ModTweaker 2-0.7.5.jar)
UCHIJAA Morph{0.9.2} [Morph] (Morphing-Mod-1.7.10.jar)
UCHIJAA NetherOres{1.7.10R2.3.0} [Nether Ores] (NetherOres-[1.7.10]2.3.0-12.jar)
UCHIJAA OpenMods{0.7.1} [OpenMods] (OpenModsLib-1.7.10-0.7.1.jar)
UCHIJAA OpenBlocks{1.4.1} [OpenBlocks] (OpenBlocks-1.7.10-1.4.1.jar)
UCHIJAA OpenPeripheralCore{1.1} [OpenPeripheralCore] (OpenPeripheralCore-1.7.10-1.1.jar)
UCHIJAA OpenPeripheral{0.3.1} [OpenPeripheralAddons] (OpenPeripheralAddons-1.7.10-0.3.1.jar)
UCHIJAA OpenPeripheralIntegration{0.2.1} [OpenPeripheralIntegration] (OpenPeripheralIntegration-1.7.10-0.2.1.jar)
UCHIJAA harvestcraft{1.7.10i} [Pam's HarvestCraft] (Pams HarvestCraft 1.7.10i.jar)
UCHIJAA ReiMinimap{1.7.10} [Rei's Minimap] (Reis-Minimap-Mod-1.7.10.jar)
UCHIJAA libsandstone{1.0.0} [libsandstone] (LibSandstone-1.0.0.jar)
UCHIJAA xreliquary{1.2} [Reliquary] (Reliquary-1.2.257.jar)
UCHIJAA ttCore{MC1.7.10-0.1.1-76} [ttCore] (ttCore-MC1.7.10-0.1.1-76.jar)
UCHIJAA SimpleAchievements{MC1.7.10-1.1.0-17} [Simple Achievements] (SimpleAchievements-MC1.7.10-1.1.0-17.jar)
UCHIJAA simplyjetpacks{1.4.1} [Simply Jetpacks] (SimplyJetpacks-MC1.7.10-1.4.1.jar)
UCHIJAA tcnodetracker{1.0.4} [TC Node Tracker] (tcnodetracker-1.7.10-1.0.4.jar)
UCHIJAA thaumcraftneiplugin{1.7.10-1.7} [Thaumcraft NEI Plugin] (thaumcraftneiplugin-1.7.10-1.7.jar)
UCHIJAA thaumicenergistics{0.8.9.3a-rv2} [Thaumic Energistics] (thaumicenergistics-0.8.9.3a-rv2.jar)
UCHIJAA ThermalCasting{0.0.1} [Thermal Casting] (thermalcasting-0.0.2.jar)
UCHIJAA ThermalDynamics{1.7.10R1.0.0} [Thermal Dynamics] (ThermalDynamics-[1.7.10]1.0.0-122.jar)
UCHIJAA treeGrowingSimulator{0.0.3} [Tree Growing Simulator 2014] (TreeGrowingSimulator2014-MC1.7.10-0.0.3-22.jar)
UCHIJAA UtilityMobs{3.1.1} [Utility Mobs] (UtilityMobs-1.7.10-3.1.1.jar)
UCHIJAA VeinMiner{0.26.0_build.unknown} [Vein Miner] (VeinMiner-1.7.10_0.27.0.unknown.jar)
UCHIJAA VeinMinerModSupport{0.26.0_build.unknown} [Mod Support] (VeinMiner-1.7.10_0.27.0.unknown.jar)
UCHIJAA WailaHarvestability{1.1.2} [Waila Harvestability] (WailaHarvestability-mc1.7.x-1.1.2.jar)
UCHIJAA WailaNBT{1.4} [Waila NBT] (WailaNBT-1.7.10-1.4.jar)
UCHIJAA ForgeMultipart{1.1.2.332} [Forge Multipart] (ForgeMultipart-1.7.10-1.1.2.332-universal.jar)
UCHIJAA witchery{0.24.0} [Witchery] (witchery-1.7.10-0.24.0.jar)
UCHIJAA bspkrsCore{6.16} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.16.jar)
UCHIJAA McMultipart{1.1.2.332} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.1.2.332-universal.jar)
UCHIJAA ForgeRelocation{0.0.1.4} [ForgeRelocation] (ForgeRelocation-1.7.10-0.0.1.4-universal.jar)
UCHIJAA MCFrames{1.0} [MCFrames] (ForgeRelocation-1.7.10-0.0.1.4-universal.jar)
UCHIJAA RelocationFMP{0.0.1.2} [RelocationFMP] (ForgeRelocationFMP-1.7.10-0.0.1.2-universal.jar)
UCHIJAA MrTJPCoreMod{1.1.0.31} [MrTJPCore] (MrTJPCore-1.7.10-1.1.0.31-universal.jar)
UCHIJAA IguanaTweaksTConstruct{1.7.10-2.1.4.132} [Iguana Tinker Tweaks] (IguanaTinkerTweaks-1.7.10-2.1.4.jar)
UCHIJAA ForgeMicroblock{1.1.2.332} [Forge Microblocks] (ForgeMultipart-1.7.10-1.1.2.332-universal.jar)
GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
OpenModsLib class transformers: [stencil_patches:FINISHED],[movement_callback:FINISHED],[map_gen_fix:FINISHED],[gl_capabilities_hook:FINISHED],[player_render_hook:FINISHED]
AE2 Version: beta rv2-beta-28 for Forge 10.13.2.1291
Mantle Environment: Environment healthy.
CoFHCore: -[1.7.10]3.0.3-303
ThermalFoundation: -[1.7.10]1.0.0-81
ThermalExpansion: -[1.7.10]4.0.1-182
MineFactoryReloaded: -[1.7.10]2.8.0-104
TConstruct Environment: Environment healthy.
NetherOres: -[1.7.10]2.3.0-12
ThermalDynamics: -[1.7.10]1.0.0-122
Stencil buffer state: Function set: GL30, pool: forge, bits: 8
AE2 Integration: IC2:OFF, RotaryCraft:OFF, RC:OFF, BC:OFF, MJ6:OFF, MJ5:OFF, RF:ON, RFItem:ON, MFR:ON, DSU:ON, FZ:OFF, FMP:ON, RB:OFF, CLApi:OFF, Waila:ON, InvTweaks:ON, NEI:ON, CraftGuide:OFF, Mekanism:OFF, ImmibisMicroblocks:OFF, BetterStorage:ON
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'