Server Crashes With Sponge On World Load

Can anyone tell me the issue based on this crash report? or any incompatible mods that might be causing the issue?

---- Minecraft Crash Report ----

WARNING: coremods are present:
  SpongeCoremod (spongeforge-1.12.2-2838-7.1.8-RC3958.jar)
  llibrary (llibrary-core-1.0.11-1.12.2.jar)
  PhosphorFMLLoadingPlugin (phosphor-1.12.2-0.2.6+build50.jar)
  TheBetweenlandsLoadingPlugin (TheBetweenlands-3.5.2-core.jar)
  midnight (themidnight-0.3.5.jar)
  IvToolkit (IvToolkit-1.3.3-1.12.jar)
  MekanismCoremod (Mekanism-1.12.2-9.8.2.389.jar)
  EnderCorePlugin (EnderCore-1.12.2-0.5.73-core.jar)
  AstralCore (astralsorcery-1.12.2-1.10.20.jar)
  HCASM (HammerCore-1.12.2-2.0.5.5.jar)
Contact their authors BEFORE contacting forge

// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 11/23/19 12:35 PM
Description: Exception in server tick loop

java.lang.ClassCastException: org.spongepowered.common.event.tracking.phase.plugin.ServerTickContext cannot be cast to org.spongepowered.common.event.tracking.phase.plugin.EventListenerPhaseContext
	at net.minecraft.advancements.Advancement.handler$impl$setUpSpongeFields$zzo000(SourceFile:1115)
	at net.minecraft.advancements.Advancement.<init>(SourceFile:60)
	at net.minecraft.advancements.Advancement$Builder.func_192056_a(SourceFile:163)
	at net.minecraft.advancements.AdvancementList.func_192083_a(SourceFile:65)
	at net.minecraft.advancements.AdvancementManager.func_192779_a(AdvancementManager.java:70)
	at net.minecraft.advancements.AdvancementManager.<init>(AdvancementManager.java:60)
	at net.minecraft.world.WorldServer.func_175643_b(WorldServer.java:156)
	at org.spongepowered.common.world.WorldManager.createWorldFromProperties(WorldManager.java:855)
	at org.spongepowered.common.world.WorldManager.loadWorld(WorldManager.java:664)
	at org.spongepowered.common.world.WorldManager.loadWorld(WorldManager.java:604)
	at net.minecraftforge.common.DimensionManager.initDimension(DimensionManager.java:815)
	at net.minecraft.server.MinecraftServer.func_71218_a(MinecraftServer.java:6884)
	at com.xcompwiz.mystcraft.world.profiling.InstabilityDataCalculator.stepChunkGeneration(InstabilityDataCalculator.java:371)
	at com.xcompwiz.mystcraft.world.profiling.InstabilityDataCalculator.onServerTick(InstabilityDataCalculator.java:198)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_1469_InstabilityDataCalculator_onServerTick_ServerTickEvent.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
	at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:753)
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:703)
	at net.minecraftforge.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:266)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:712)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Thread: Server thread
Stacktrace:
	at net.minecraft.advancements.Advancement.handler$impl$setUpSpongeFields$zzo000(SourceFile:1115)
	at net.minecraft.advancements.Advancement.<init>(SourceFile:60)
	at net.minecraft.advancements.Advancement$Builder.func_192056_a(SourceFile:163)
	at net.minecraft.advancements.AdvancementList.func_192083_a(SourceFile:65)
	at net.minecraft.advancements.AdvancementManager.func_192779_a(AdvancementManager.java:70)
	at net.minecraft.advancements.AdvancementManager.<init>(AdvancementManager.java:60)
	at net.minecraft.world.WorldServer.func_175643_b(WorldServer.java:156)
	at org.spongepowered.common.world.WorldManager.createWorldFromProperties(WorldManager.java:855)
	at org.spongepowered.common.world.WorldManager.loadWorld(WorldManager.java:664)
	at org.spongepowered.common.world.WorldManager.loadWorld(WorldManager.java:604)
	at net.minecraftforge.common.DimensionManager.initDimension(DimensionManager.java:815)
	at net.minecraft.server.MinecraftServer.func_71218_a(MinecraftServer.java:6884)
	at com.xcompwiz.mystcraft.world.profiling.InstabilityDataCalculator.stepChunkGeneration(InstabilityDataCalculator.java:371)
	at com.xcompwiz.mystcraft.world.profiling.InstabilityDataCalculator.onServerTick(InstabilityDataCalculator.java:198)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_1469_InstabilityDataCalculator_onServerTick_ServerTickEvent.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
	at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:753)

-- Sponge PhaseTracker --
Details:
	Phase Stack: [Empty stack]
Stacktrace:
	at net.minecraft.server.MinecraftServer.handler$onCrashReport$zje000(MinecraftServer.java:4721)
	at net.minecraft.server.MinecraftServer.func_71230_b(MinecraftServer.java:889)
	at net.minecraft.server.dedicated.DedicatedServer.func_71230_b(DedicatedServer.java:371)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:558)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.12.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_221, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 2943813640 bytes (2807 MB) / 5685903360 bytes (5422 MB) up to 7635730432 bytes (7282 MB)
	JVM Flags: 2 total; -Xmx8G -Xms2G
	IntCache: cache: 0, tcache: 0, allocated: 15, tallocated: 95
	FML: MCP 9.42 Powered by Forge 14.23.5.2847 104 mods loaded, 104 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

	Mods:

	| State  | ID                                | Version                  | Source                                             | Signature                                |
	|:------ |:--------------------------------- |:------------------------ |:-------------------------------------------------- |:---------------------------------------- |
	| LCHIJA | minecraft                         | 1.12.2                   | minecraft.jar                                      | None                                     |
	| LCHIJA | mcp                               | 9.42                     | minecraft.jar                                      | None                                     |
	| LCHIJA | FML                               | 8.0.99.99                | forge-1.12.2-14.23.5.2847-universal.jar            | None                                     |
	| LCHIJA | forge                             | 14.23.5.2847             | forge-1.12.2-14.23.5.2847-universal.jar            | None                                     |
	| LCHIJA | ivtoolkit                         | 1.3.3-1.12               | minecraft.jar                                      | None                                     |
	| LCHIJA | spongeapi                         | 7.1.0-0b58730f           | spongeforge-1.12.2-2838-7.1.8-RC3958.jar           | None                                     |
	| LCHIJA | sponge                            | 1.12.2-7.1.8-SNAPSHOT    | spongeforge-1.12.2-2838-7.1.8-RC3958.jar           | None                                     |
	| LCHIJA | spongeforge                       | 1.12.2-2838-7.1.8-RC3958 | spongeforge-1.12.2-2838-7.1.8-RC3958.jar           | None                                     |
	| LCHIJA | damageindicatorsmod               | 1.0                      | [1.12.2]DamageIndicatorsMod-3.5.1.jar              | None                                     |
	| LCHIJA | jei                               | 4.15.0.291               | jei_1.12.2-4.15.0.291.jar                          | None                                     |
	| LCHIJA | abyssalcraft                      | 1.9.13.1                 | AbyssalCraft-1.12.2-1.9.13.1.jar                   | 220f10d3a93b3ff5fbaa7434cc629d863d6751b9 |
	| LCHIJA | advanced-fishing                  | 1.3.3                    | Advanced-Fishing-1.12.2-1.3.3.jar                  | None                                     |
	| LCHIJA | orbis-lib                         | 0.2.0                    | orbis-lib-1.12.2-0.2.0+build127.jar                | db341c083b1b8ce9160a769b569ef6737b3f4cdf |
	| LCHIJA | aether                            | 0.2.6                    | aether_ii-1.12.2-0.2.6+build127-universal.jar      | db341c083b1b8ce9160a769b569ef6737b3f4cdf |
	| LCHIJA | appleskin                         | 1.0.9                    | AppleSkin-mc1.12-1.0.9.jar                         | None                                     |
	| LCHIJA | appliedenergistics2               | rv6-stable-7             | appliedenergistics2-rv6-stable-7.jar               | dfa4d3ac143316c6f32aa1a1beda1e34d42132e5 |
	| LCHIJA | aquaculture                       | 1.6.8                    | Aquaculture-1.12.2-1.6.8.jar                       | None                                     |
	| LCHIJA | baubles                           | 1.5.2                    | Baubles-1.12-1.5.2.jar                             | None                                     |
	| LCHIJA | astralsorcery                     | 1.10.20                  | astralsorcery-1.12.2-1.10.20.jar                   | a0f0b759d895c15ceb3e3bcb5f3c2db7c582edf0 |
	| LCHIJA | codechickenlib                    | 3.2.3.358                | CodeChickenLib-1.12.2-3.2.3.358-universal.jar      | f1850c39b2516232a2108a7bd84d1cb5df93b261 |
	| LCHIJA | avaritia                          | 3.3.0                    | Avaritia-1.12.2-3.3.0.33-universal.jar             | None                                     |
	| LCHIJA | bibliocraft                       | 2.4.5                    | BiblioCraft[v2.4.5][MC1.12.2].jar                  | None                                     |
	| LCHIJA | guideapi                          | 1.12-2.1.8-63            | Guide-API-1.12-2.1.8-63.jar                        | None                                     |
	| LCHIJA | bloodmagic                        | 1.12.2-2.4.3-105         | BloodMagic-1.12.2-2.4.3-105.jar                    | None                                     |
	| LCHIJA | bloodarsenal                      | 1.12.2-2.2.0-29          | BloodArsenal-1.12.2-2.2.1-29.jar                   | None                                     |
	| LCHIJA | bookshelf                         | 2.3.585                  | Bookshelf-1.12.2-2.3.585.jar                       | d476d1b22b218a10d845928d1665d45fce301b27 |
	| LCHIJA | thaumcraft                        | 6.1.BETA26               | Thaumcraft-1.12.2-6.1.BETA26.jar                   | None                                     |
	| LCHIJA | botania                           | r1.10-362                | Botania+r1.10-362.jar                              | None                                     |
	| LCHIJA | redstoneflux                      | 2.1.0                    | RedstoneFlux-1.12-2.1.0.6-universal.jar            | 8a6abf2cb9e141b866580d369ba6548732eff25f |
	| LCHIJA | brandonscore                      | 2.4.17                   | BrandonsCore-1.12.2-2.4.17.208-universal.jar       | None                                     |
	| LCHIJA | buildcraftlib                     | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcraftcore                    | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcraftbuilders                | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcrafttransport               | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcraftsilicon                 | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcraftcompat                  | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcraftenergy                  | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcraftfactory                 | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | buildcraftrobotics                | 7.99.24.3                | buildcraft-all-7.99.24.3.jar                       | None                                     |
	| LCHIJA | chameleon                         | 1.12-4.1.3               | Chameleon-1.12-4.1.3.jar                           | None                                     |
	| LCHIJA | chancecubes                       | 1.12.2-4.1.0.300         | ChanceCubes-1.12.2-4.1.0.300.jar                   | None                                     |
	| LCHIJA | extendedrenderer                  | v1.0                     | coroutil-1.12.1-1.2.32.jar                         | None                                     |
	| LCHIJA | coroutil                          | 1.12.1-1.2.32            | coroutil-1.12.1-1.2.32.jar                         | None                                     |
	| LCHIJA | configmod                         | v1.0                     | coroutil-1.12.1-1.2.32.jar                         | None                                     |
	| LCHIJA | cucumber                          | 1.1.3                    | Cucumber-1.12.2-1.1.3.jar                          | None                                     |
	| LCHIJA | defiledlands                      | 1.4.2                    | defiledlands-1.12.2-1.4.2.jar                      | None                                     |
	| LCHIJA | disenchanter                      | 1.6                      | disenchanter-[1.12]1.6.jar                         | None                                     |
	| LCHIJA | draconicevolution                 | 2.3.24                   | Draconic-Evolution-1.12.2-2.3.24.349-universal.jar | None                                     |
	| LCHIJA | dragonmounts                      | 1.12.2-1.6.3             | DragonMounts2-1.12.2-1.6.3.jar                     | None                                     |
	| LCHIJA | endercore                         | 1.12.2-0.5.73            | EnderCore-1.12.2-0.5.73.jar                        | None                                     |
	| LCHIJA | enderio                           | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderiointegrationtic             | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderiobase                       | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderioconduits                   | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderioconduitsappliedenergistics | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderioconduitsopencomputers      | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderioconduitsrefinedstorage     | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderiointegrationforestry        | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderiointegrationticlate         | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderiomachines                   | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | enderiopowertools                 | 5.1.52                   | EnderIO-1.12.2-5.1.52.jar                          | None                                     |
	| LCHIJA | hammercore                        | 2.0.5.5                  | HammerCore-1.12.2-2.0.5.5.jar                      | 4d7b29cd19124e986da685107d16ce4b49bc0a97 |
	| LCHIJA | projecte                          | 1.12.2-PE1.4.1           | ProjectE-1.12.2-PE1.4.1.jar                        | None                                     |
	| LCHIJA | expequiv                          | 13r                      | ExpandedEquivalence-1.12.2-13r.jar                 | 4d7b29cd19124e986da685107d16ce4b49bc0a97 |
	| LCHIJA | extrautils2                       | 1.0                      | extrautils2-1.12-1.9.9.jar                         | None                                     |
	| LCHIJA | zerocore                          | 1.12.2-0.1.2.8           | zerocore-1.12.2-0.1.2.8.jar                        | None                                     |
	| LCHIJA | bigreactors                       | 1.12.2-0.4.5.67          | ExtremeReactors-1.12.2-0.4.5.67.jar                | None                                     |
	| LCHIJA | fastfurnace                       | 1.3.1                    | FastFurnace-1.12.2-1.3.1.jar                       | None                                     |
	| LCHIJA | ichunutil                         | 7.2.2                    | iChunUtil-1.12.2-7.2.2.jar                         | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
	| LCHIJA | hats                              | 7.1.0                    | Hats-1.12.2-7.1.0.jar                              | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
	| LCHIJA | hatstand                          | 7.1.0                    | HatStand-1.12.2-7.1.0.jar                          | None                                     |
	| LCHIJA | huntingdim                        | 1.0.42                   | HuntingDimension-1.12.2-1.0.42.jar                 | d476d1b22b218a10d845928d1665d45fce301b27 |
	| LCHIJA | inventorypets                     | 2.0.3                    | inventorypets-1.12-2.0.3.jar                       | None                                     |
	| LCHIJA | ironchest                         | 1.12.2-7.0.67.844        | ironchest-1.12.2-7.0.72.847.jar                    | None                                     |
	| LCHIJA | journeymap                        | 1.12.2-5.5.5             | journeymap-1.12.2-5.5.5.jar                        | None                                     |
	| LCHIJA | mystcraft                         | 0.13.7.04                | mystcraft-1.12.2-0.13.7.04.jar                     | None                                     |
	| LCHIJA | lootbags                          | 2.5.8.5                  | LootBags-1.12.2-2.5.8.5.jar                        | None                                     |
	| LCHIJA | mekanism                          | 1.12.2-9.8.2.389         | Mekanism-1.12.2-9.8.2.389.jar                      | None                                     |
	| LCHIJA | mekanismtools                     | 1.12.2-9.8.2.389         | MekanismTools-1.12.2-9.8.2.389.jar                 | None                                     |
	| LCHIJA | mob_grinding_utils                | 0.3.13                   | MobGrindingUtils-0.3.13.jar                        | None                                     |
	| LCHIJA | llibrary                          | 1.7.19                   | llibrary-1.7.19-1.12.2.jar                         | b9f30a813bee3b9dd5652c460310cfcd54f6b7ec |
	| LCHIJA | mowziesmobs                       | 1.5.4                    | mowziesmobs-1.5.4.jar                              | None                                     |
	| LCHIJA | mysticalagriculture               | 1.7.5                    | MysticalAgriculture-1.12.2-1.7.5.jar               | None                                     |
	| LCHIJA | mysticalagradditions              | 1.3.2                    | MysticalAgradditions-1.12.2-1.3.2.jar              | None                                     |
	| LCHIJA | harvestcraft                      | 1.12.2zb                 | Pams+HarvestCraft+1.12.2zf.jar                    | None                                     |
	| LCHIJA | placebo                           | 1.6.0                    | Placebo-1.12.2-1.6.0.jar                           | None                                     |
	| LCHIJA | portalgun                         | 7.1.0                    | PortalGun-1.12.2-7.1.0.jar                         | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
	| LCHIJA | reccomplex                        | 1.4.8.2                  | RecurrentComplex-1.4.8.2.jar                       | None                                     |
	| LCHIJA | roguelike                         | 1.8.0                    | RoguelikeDungeons-1.12.2-1.8.0.jar                 | None                                     |
	| LCHIJA | thaumicenergistics                | 2.2.3                    | thaumicenergistics-2.2.3.jar                       | None                                     |
	| LCHIJA | tcinventoryscan                   | 2.0.10                   | ThaumicInventoryScanning_1.12.2-2.0.10.jar         | None                                     |
	| LCHIJA | thaumicperiphery                  | 0.3.1                    | thaumicperiphery-0.3.1.jar                         | None                                     |
	| LCHIJA | tombstone                         | 3.6.2                    | tombstone-3.6.2-1.12.2.jar                         | None                                     |
	| LCHIJA | traverse                          | 1.6.0                    | Traverse-1.12.2-1.6.0-69.jar                       | None                                     |
	| LCHIJA | tropicraft                        | 7.1.9.115                | tropicraft-MC1.12.2-7.1.9.115.jar                  | None                                     |
	| LCHIJA | trumpetskeleton                   | 1.12-1.0.2.1             | trumpetskeleton-1.12-1.0.2.1.jar                   | None                                     |
	| LCHIJA | waystones                         | 4.0.72                   | Waystones_1.12.2-4.0.72.jar                        | None                                     |
	| LCHIJA | witherskelefix                    | 2.6.3                    | WitherSkeletonTweaks-1.12.2-2.6.3.jar              | None                                     |
	| LCHIJA | xpbook                            | v1.1.4                   | xptome-1.12.2-v1.1.4.jar                           | None                                     |
	| LCHIJA | zombie_players                    | 1.12.1-1.2.7             | zombie_players-1.12.1-1.2.7.jar                    | None                                     |
	| LCHIJA | phosphor-lighting                 | 1.12.2-0.2.6             | phosphor-1.12.2-0.2.6+build50.jar                  | f0387d288626cc2d937daa504e74af570c52a2f1 |
	| LCHIJA | thebetweenlands                   | 3.5.2                    | TheBetweenlands-3.5.2-universal.jar                | 38067d6878811efb38b6a045521cfd80b9b60b38 |
	| LCHIJA | midnight                          | 0.3.5                    | themidnight-0.3.5.jar                              | None                                     |


	Plugins:

	| State  | ID        | Version | Source                      | Signature |
	|:------ |:--------- |:------- |:--------------------------- |:--------- |
	| LCHIJA | luckperms | 4.4.31  | LuckPerms-Sponge-4.4.31.jar | None      |

	Loaded coremods (and transformers): 
SpongeCoremod (spongeforge-1.12.2-2838-7.1.8-RC3958.jar)
  org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
llibrary (llibrary-core-1.0.11-1.12.2.jar)
  net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer
  net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher
PhosphorFMLLoadingPlugin (phosphor-1.12.2-0.2.6+build50.jar)
  
TheBetweenlandsLoadingPlugin (TheBetweenlands-3.5.2-core.jar)
  thebetweenlands.core.TheBetweenlandsClassTransformer
midnight (themidnight-0.3.5.jar)
  com.mushroom.midnight.core.transformer.MidnightClassTransformer
IvToolkit (IvToolkit-1.3.3-1.12.jar)
  
MekanismCoremod (Mekanism-1.12.2-9.8.2.389.jar)
  mekanism.coremod.KeybindingMigrationHelper
EnderCorePlugin (EnderCore-1.12.2-0.5.73-core.jar)
  com.enderio.core.common.transform.EnderCoreTransformer
  com.enderio.core.common.transform.SimpleMixinPatcher
AstralCore (astralsorcery-1.12.2-1.10.20.jar)
  
HCASM (HammerCore-1.12.2-2.0.5.5.jar)
  com.zeitheron.hammercore.asm.HammerCoreTransformer
	AE2 Version: stable rv6-stable-7 for Forge 14.23.5.2768
	HammerCore Debug Information: 
Dependent Mods:
    -Expanded Equivalence (expequiv) @13r

	Ender IO: Found the following problem(s) with your installation (That does NOT mean that Ender IO caused the crash or was involved in it in any way. We add this information to help finding common problems, not as an invitation to post any crash you encounter to Ender IO's issue tracker. Always check the stack trace above to see which mod is most likely failing.):
                 An unsupported base software is installed: 'sponge'. This is NOT supported.
                 This may (look up the meaning of 'may' in the dictionary if you're not sure what it means) have caused the error. Try reproducing the crash WITHOUT this/these mod(s) before reporting it.

	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	!!!You are looking at the diagnostics information, not at the crash.       !!!
	!!!Scroll up until you see the line with '---- Minecraft Crash Report ----'!!!
	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

	AE2 Integration: IC2:OFF, RC:OFF, MFR:OFF, Waila:OFF, Mekanism:ON, OpenComputers:OFF, THE_ONE_PROBE:OFF, TESLA:OFF, CRAFTTWEAKER:OFF
	Profiler Position: N/A (disabled)
	Player Count: 0 / 20; []
	Is Modded: Definitely; Server brand changed to 'fml,forge,sponge'
	Type: Dedicated Server (map_server.txt)

It seems like this line is the issue.

at com.xcompwiz.mystcraft.world.profiling.InstabilityDataCalculator.stepChunkGeneration(InstabilityDataCalculator.java:371)

It seems to be passing the wrong data though when loading the world. The mod that the line points to I believe is mystcraft. Try removing it and seeing if the world loads (make a backup)

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Mystcraft has known incompatibility with SpongeForge (and several other mods besides). It does things it’s own special way, which SpongeAPI can’t work around.

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