java.lang.NullPointerException: Ticking entity
at uniqueebattle.handler.BattleHandler.onEntityLoot(BattleHandler.java:317) ~[uniquebattle:?] {re:classloading}
at net.minecraftforge.eventbus.ASMEventHandler_695_BattleHandler_onEntityLoot_LootingLevelEvent.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.common.ForgeHooks.getLootingLevel(ForgeHooks.java:402) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraftforge.common.ForgeHooks.getLootingLevel(ForgeHooks.java:395) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraft.loot.LootContext.getLootingModifier(LootContext.java:99) ~[?:?] {re:mixin,re:classloading}
at net.minecraft.loot.conditions.RandomChanceWithLooting.test(RandomChanceWithLooting.java:36) ~[?:?] {re:classloading}
at net.minecraft.loot.conditions.RandomChanceWithLooting.test(RandomChanceWithLooting.java:18) ~[?:?] {re:classloading}
at java.util.function.Predicate.lambda$and$0(Predicate.java:69) ~[?:1.8.0_312] {}
at net.minecraft.loot.LootPool.func_216091_a(LootPool.java:84) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.loot.LootTable.func_216114_a(LootTable.java:68) ~[?:?] {re:computing_frames,re:mixin,re:classloading,pl:mixin:APP:assets/botania/botania.mixins.json:MixinLootTable,pl:mixin:A}
at net.minecraft.loot.TableLootEntry.func_216154_a(SourceFile:33) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.silentchaos512.scalinghealth.loot.TableGlobalModifier.doApply(TableGlobalModifier.java:30) ~[scalinghealth:4.0.5+5] {re:classloading}
at net.minecraftforge.common.loot.LootModifier.apply(LootModifier.java:53) ~[forge:?] {re:classloading}
at net.minecraftforge.common.ForgeHooks.modifyLoot(ForgeHooks.java:1301) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraft.loot.LootTable.func_216113_a(LootTable.java:86) ~[?:?] {re:computing_frames,re:mixin,re:classloading,pl:mixin:APP:assets/botania/botania.mixins.json:MixinLootTable,pl:mixin:A}
at com.erfurt.magicaljewelry.loot.JewelModifier.doApply(JewelModifier.java:36) ~[magicaljewelry:1.16.5_1.2.12] {re:classloading}
at net.minecraftforge.common.loot.LootModifier.apply(LootModifier.java:53) ~[forge:?] {re:classloading}
at net.minecraftforge.common.ForgeHooks.modifyLoot(ForgeHooks.java:1301) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraft.loot.LootTable.func_216113_a(LootTable.java:86) ~[?:?] {re:computing_frames,re:mixin,re:classloading,pl:mixin:APP:assets/botania/botania.mixins.json:MixinLootTable,pl:mixin:A}
at net.minecraft.block.AbstractBlock.func_220076_a(AbstractBlock.java:214) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.block.AbstractBlock$AbstractBlockState.func_215693_a(AbstractBlock.java:636) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:libx.mixins.json:MixinAbstractBlockState,pl:mixin:APP:sodium.mixins.json:block.flatten_states.AbstractBlockStateMixin,pl:mixin:APP:sodium.mixins.json:block.MixinAbstractBlockState,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.Explosion.func_77279_a(Explosion.java:250) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sodium.mixins.json:world.explosions.ExplosionMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_230546_a_(ServerWorld.java:1038) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.world_ticking.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:entity.inactive_navigations.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:world.tick_scheduler.ServerWorldMixin,pl:mixin:APP:enhancedcelestials.mixins.json:MixinServerWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_217398_a(World.java:570) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.WorldMixin,pl:mixin:APP:sodium.mixins.json:world.chunk_access.WorldMixin,pl:mixin:APP:lootr.mixins.json:MixinWorld,pl:mixin:APP:enhancedcelestials.mixins.json:MixinWorld,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.boss.WitherEntity.func_70619_bc(WitherEntity.java:217) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorWitherEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70626_be(MobEntity.java:688) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.skillcloaks.json:MobEntityMixin,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorMobEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.LivingEntity.func_70636_d(LivingEntity.java:2413) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:mixin:APP:sodium.mixins.json:entity.block_cache.LivingEntityMixin,pl:mixin:APP:citadel.mixins.json:LivingEntityMixin,pl:mixin:APP:mixins.skillcloaks.json:LivingEntityMixin,pl:mixin:APP:caelus.mixins.json:LivingEntityMixin,pl:mixin:APP:sodium.mixins.json:alloc.enum_values.LivingEntityMixin,pl:mixin:APP:ars_nouveau.mixins.json:ExpInvokerMixin,pl:mixin:APP:ars_nouveau.mixins.json:MixinLivingEntity,pl:mixin:APP:enhancedcelestials.mixins.json:MixinLivingEntity,pl:mixin:APP:expandability.mixins.json:swimming.LivingEntityMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinLivingEntity,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorLivingEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70636_d(MobEntity.java:488) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.skillcloaks.json:MobEntityMixin,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorMobEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.monster.MonsterEntity.func_70636_d(SourceFile:43) ~[?:?] {re:classloading,re:mixin}
at net.minecraft.entity.boss.WitherEntity.func_70636_d(WitherEntity.java:161) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorWitherEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.LivingEntity.func_70071_h_(LivingEntity.java:2160) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:mixin:APP:sodium.mixins.json:entity.block_cache.LivingEntityMixin,pl:mixin:APP:citadel.mixins.json:LivingEntityMixin,pl:mixin:APP:mixins.skillcloaks.json:LivingEntityMixin,pl:mixin:APP:caelus.mixins.json:LivingEntityMixin,pl:mixin:APP:sodium.mixins.json:alloc.enum_values.LivingEntityMixin,pl:mixin:APP:ars_nouveau.mixins.json:ExpInvokerMixin,pl:mixin:APP:ars_nouveau.mixins.json:MixinLivingEntity,pl:mixin:APP:enhancedcelestials.mixins.json:MixinLivingEntity,pl:mixin:APP:expandability.mixins.json:swimming.LivingEntityMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinLivingEntity,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorLivingEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70071_h_(MobEntity.java:300) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.skillcloaks.json:MobEntityMixin,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorMobEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_217479_a(ServerWorld.java:611) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.world_ticking.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:entity.inactive_navigations.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:world.tick_scheduler.ServerWorldMixin,pl:mixin:APP:enhancedcelestials.mixins.json:MixinServerWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_217390_a(World.java:554) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.WorldMixin,pl:mixin:APP:sodium.mixins.json:world.chunk_access.WorldMixin,pl:mixin:APP:lootr.mixins.json:MixinWorld,pl:mixin:APP:enhancedcelestials.mixins.json:MixinWorld,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:404) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.world_ticking.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:entity.inactive_navigations.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:world.tick_scheduler.ServerWorldMixin,pl:mixin:APP:enhancedcelestials.mixins.json:MixinServerWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:851) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:APP:byg.mixins.json:server.MixinMinecraftServer,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:291) ~[?:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.sledgehammer.core.json:server.dedicated.DedicatedServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:787) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:APP:byg.mixins.json:server.MixinMinecraftServer,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:642) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:APP:byg.mixins.json:server.MixinMinecraftServer,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:APP:byg.mixins.json:server.MixinMinecraftServer,pl:mixin:A,pl:runtimedistcleaner:A}
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_312] {}

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

-- Head --
Thread: Server thread
Stacktrace:
at uniqueebattle.handler.BattleHandler.onEntityLoot(BattleHandler.java:317) ~[uniquebattle:?] {re:classloading}
at net.minecraftforge.eventbus.ASMEventHandler_695_BattleHandler_onEntityLoot_LootingLevelEvent.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.common.ForgeHooks.getLootingLevel(ForgeHooks.java:402) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraftforge.common.ForgeHooks.getLootingLevel(ForgeHooks.java:395) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraft.loot.LootContext.getLootingModifier(LootContext.java:99) ~[?:?] {re:mixin,re:classloading}
at net.minecraft.loot.conditions.RandomChanceWithLooting.test(RandomChanceWithLooting.java:36) ~[?:?] {re:classloading}
at net.minecraft.loot.conditions.RandomChanceWithLooting.test(RandomChanceWithLooting.java:18) ~[?:?] {re:classloading}
at java.util.function.Predicate.lambda$and$0(Predicate.java:69) ~[?:1.8.0_312] {}
at net.minecraft.loot.LootPool.func_216091_a(LootPool.java:84) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.loot.LootTable.func_216114_a(LootTable.java:68) ~[?:?] {re:computing_frames,re:mixin,re:classloading,pl:mixin:APP:assets/botania/botania.mixins.json:MixinLootTable,pl:mixin:A}
at net.minecraft.loot.TableLootEntry.func_216154_a(SourceFile:33) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.silentchaos512.scalinghealth.loot.TableGlobalModifier.doApply(TableGlobalModifier.java:30) ~[scalinghealth:4.0.5+5] {re:classloading}
at net.minecraftforge.common.loot.LootModifier.apply(LootModifier.java:53) ~[forge:?] {re:classloading}
at net.minecraftforge.common.ForgeHooks.modifyLoot(ForgeHooks.java:1301) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraft.loot.LootTable.func_216113_a(LootTable.java:86) ~[?:?] {re:computing_frames,re:mixin,re:classloading,pl:mixin:APP:assets/botania/botania.mixins.json:MixinLootTable,pl:mixin:A}
at com.erfurt.magicaljewelry.loot.JewelModifier.doApply(JewelModifier.java:36) ~[magicaljewelry:1.16.5_1.2.12] {re:classloading}
at net.minecraftforge.common.loot.LootModifier.apply(LootModifier.java:53) ~[forge:?] {re:classloading}
at net.minecraftforge.common.ForgeHooks.modifyLoot(ForgeHooks.java:1301) ~[forge:?] {re:mixin,re:classloading,pl:mixin:APP:dungeons_plus.mixins.json:ForgeHooksMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinForgeHooks,pl:mixin:A}
at net.minecraft.loot.LootTable.func_216113_a(LootTable.java:86) ~[?:?] {re:computing_frames,re:mixin,re:classloading,pl:mixin:APP:assets/botania/botania.mixins.json:MixinLootTable,pl:mixin:A}
at net.minecraft.block.AbstractBlock.func_220076_a(AbstractBlock.java:214) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.block.AbstractBlock$AbstractBlockState.func_215693_a(AbstractBlock.java:636) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:libx.mixins.json:MixinAbstractBlockState,pl:mixin:APP:sodium.mixins.json:block.flatten_states.AbstractBlockStateMixin,pl:mixin:APP:sodium.mixins.json:block.MixinAbstractBlockState,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.Explosion.func_77279_a(Explosion.java:250) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sodium.mixins.json:world.explosions.ExplosionMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_230546_a_(ServerWorld.java:1038) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.world_ticking.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:entity.inactive_navigations.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:world.tick_scheduler.ServerWorldMixin,pl:mixin:APP:enhancedcelestials.mixins.json:MixinServerWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_217398_a(World.java:570) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.WorldMixin,pl:mixin:APP:sodium.mixins.json:world.chunk_access.WorldMixin,pl:mixin:APP:lootr.mixins.json:MixinWorld,pl:mixin:APP:enhancedcelestials.mixins.json:MixinWorld,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.boss.WitherEntity.func_70619_bc(WitherEntity.java:217) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorWitherEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70626_be(MobEntity.java:688) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.skillcloaks.json:MobEntityMixin,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorMobEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.LivingEntity.func_70636_d(LivingEntity.java:2413) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:mixin:APP:sodium.mixins.json:entity.block_cache.LivingEntityMixin,pl:mixin:APP:citadel.mixins.json:LivingEntityMixin,pl:mixin:APP:mixins.skillcloaks.json:LivingEntityMixin,pl:mixin:APP:caelus.mixins.json:LivingEntityMixin,pl:mixin:APP:sodium.mixins.json:alloc.enum_values.LivingEntityMixin,pl:mixin:APP:ars_nouveau.mixins.json:ExpInvokerMixin,pl:mixin:APP:ars_nouveau.mixins.json:MixinLivingEntity,pl:mixin:APP:enhancedcelestials.mixins.json:MixinLivingEntity,pl:mixin:APP:expandability.mixins.json:swimming.LivingEntityMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinLivingEntity,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorLivingEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70636_d(MobEntity.java:488) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.skillcloaks.json:MobEntityMixin,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorMobEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.monster.MonsterEntity.func_70636_d(SourceFile:43) ~[?:?] {re:classloading,re:mixin}
at net.minecraft.entity.boss.WitherEntity.func_70636_d(WitherEntity.java:161) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorWitherEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.LivingEntity.func_70071_h_(LivingEntity.java:2160) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:placebo:placeboshieldblock,xf:fml:apotheosis:apothshieldblock,xf:fml:apotheosis:apothpotiondmg,pl:mixin:APP:sodium.mixins.json:entity.block_cache.LivingEntityMixin,pl:mixin:APP:citadel.mixins.json:LivingEntityMixin,pl:mixin:APP:mixins.skillcloaks.json:LivingEntityMixin,pl:mixin:APP:caelus.mixins.json:LivingEntityMixin,pl:mixin:APP:sodium.mixins.json:alloc.enum_values.LivingEntityMixin,pl:mixin:APP:ars_nouveau.mixins.json:ExpInvokerMixin,pl:mixin:APP:ars_nouveau.mixins.json:MixinLivingEntity,pl:mixin:APP:enhancedcelestials.mixins.json:MixinLivingEntity,pl:mixin:APP:expandability.mixins.json:swimming.LivingEntityMixin,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinLivingEntity,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorLivingEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70071_h_(MobEntity.java:300) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.skillcloaks.json:MobEntityMixin,pl:mixin:APP:assets/botania/botania.mixins.json:AccessorMobEntity,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_217479_a(ServerWorld.java:611) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.world_ticking.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:entity.inactive_navigations.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:world.tick_scheduler.ServerWorldMixin,pl:mixin:APP:enhancedcelestials.mixins.json:MixinServerWorld,pl:mixin:A,pl:runtimedistcleaner:A}
-- Entity being ticked --
Details:
Entity Type: minecraft:wither (net.minecraft.entity.boss.WitherEntity)
Entity ID: 2758
Entity Name: Wither
Entity's Exact location: 1954.66, 68.00, 5641.04
Entity's Block location: World: (1954,68,5641), Chunk: (at 2,4,9 in 122,352; contains blocks 1952,0,5632 to 1967,255,5647), Region: (3,11; contains chunks 96,352 to 127,383, blocks 1536,0,5632 to 2047,255,6143)
Entity's Momentum: 0.00, -0.05, 0.00
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null
Entity NBT: {Brain:{memories:{}},HurtByTimestamp:0,ForgeData:{},Attributes:[{Base:300.0d,Modifiers:[{Amount:2.452992208669933E-4d,Operation:1,UUID:[I;-1061227163,905334213,-1152633276,-1014831410],Name:"ScalingHealth.HealthModifier"}],Name:"minecraft:generic.max_health"},{Base:40.0d,Name:"minecraft:generic.follow_range"},{Base:0.0d,Name:"minecraft:generic.knockback_resistance"},{Base:0.08d,Name:"forge:entity_gravity"},{Base:2.0d,Modifiers:[{Amount:0.00233641192317009d,Operation:0,UUID:[I;-749335787,-1000782564,-2035809721,22735001],Name:"ScalingHealth.DamageModifier"}],Name:"minecraft:generic.attack_damage"},{Base:0.6000000238418579d,Name:"minecraft:generic.movement_speed"}],Invulnerable:0b,FallFlying:0b,PortalCooldown:0,AbsorptionAmount:0.0f,Invul:1,FallDistance:0.0f,CanUpdate:1b,DeathTime:0s,BoundingBox:[1954.2134818591944d,68.0d,5640.5863711563015d,1955.1134818353526d,71.5d,5641.48637113246d],ForgeCaps:{"scalinghealth:difficulty_affected":{Difficulty:0.03853942f,Blight:0b},"structure_gel:gel_entity":{portal:"structure_gel:empty"},"lycanitesmobs:entity":{},"twilightforest:cap_shield":{permshields:0,tempshields:0},"mowziesmobs:ability":{},"mowziesmobs:frozen":{frozenYaw:0.0f,freezeProgress:0.0f,frozenPitch:0.0f,freezeDecayDelay:0,prevHasAI:1b,frozenYawHead:0.0f,frozen:0b,frozenLimbSwingAmount:0.0f,prevFrozen:0b,frozenRenderYawOffset:0.0f,frozenSwingProgress:0.0f},"mahoutsukai:living_mahou":{MAHOUTSUKAI_KODOKU:0,MAHOUTSUKAI_AUTHORITY_HIT:0b},"citadel:extended_entity_data_citadel":{}},HandDropChances:[0.085f,0.085f],PersistenceRequired:0b,UUID:[I;-696721397,636635367,-1653112478,496845782],Motion:[0.0d,-0.04704000091552734d,0.0d],Health:300.07358f,LeftHanded:0b,Air:300s,OnGround:1b,CitadelData:{},Rotation:[90.0f,0.0f],HandItems:[{},{}],ArmorDropChances:[0.085f,0.085f,0.085f,0.085f],Pos:[1954.6634818472735d,68.0d,5641.036371144381d],Fire:0s,ArmorItems:[{},{},{},{}],CanPickUpLoot:0b,HurtTime:0s}
Stacktrace:
at net.minecraft.world.World.func_217390_a(World.java:554) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:observerlib:coremodmethod,xf:fml:twilightforest:hitbox,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.WorldMixin,pl:mixin:APP:sodium.mixins.json:world.chunk_access.WorldMixin,pl:mixin:APP:lootr.mixins.json:MixinWorld,pl:mixin:APP:enhancedcelestials.mixins.json:MixinWorld,pl:mixin:APP:assets/astralsorcery/astralsorcery.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:404) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.chunk_random.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:alloc.world_ticking.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:entity.inactive_navigations.ServerWorldMixin,pl:mixin:APP:sodium.mixins.json:world.tick_scheduler.ServerWorldMixin,pl:mixin:APP:enhancedcelestials.mixins.json:MixinServerWorld,pl:mixin:A,pl:runtimedistcleaner:A}

That is the error i get...

Fixed in the next patch.