---- Minecraft Crash Report ----
// There are four lights!

Time: 5/4/20 11:49 PM
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
at java.util.concurrent.ConcurrentLinkedDeque.(ConcurrentLinkedDeque.java:849) ~[?:1.8.0_212] {}
at svenhjol.strange.scrolls.event.QuestEvents.respondToEvent(QuestEvents.java:198) ~[?:1.15.2-1.0.0-beta.3] {re:classloading}
at svenhjol.strange.scrolls.event.QuestEvents.onMobKilled(QuestEvents.java:178) ~[?:1.15.2-1.0.0-beta.3] {re:classloading}
at net.minecraftforge.eventbus.ASMEventHandler_371_QuestEvents_onMobKilled_LivingDeathEvent.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80) ~[eventbus-2.0.0-milestone.1-service.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258) ~[eventbus-2.0.0-milestone.1-service.jar:?] {}
at net.minecraftforge.common.ForgeHooks.onLivingDeath(ForgeHooks.java:349) ~[?:?] {re:mixin,re:classloading,pl:mixin:APP:anviltweaks.mixins.json:ForgeHooksMixin,pl:mixin:A}
at net.minecraft.entity.LivingEntity.func_70645_a(LivingEntity.java:1077) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:charm:LivingEntity,xf:fml:caelus:coremodone,pl:mixin:APP:performant.mixins.json:entity.LivingEntityMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at chumbanotz.mutantbeasts.entity.mutant.MutantEndermanEntity.func_70609_aI(MutantEndermanEntity.java:786) ~[?:1.15.2-1.0.5] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.entity.LivingEntity.func_70030_z(LivingEntity.java:351) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:charm:LivingEntity,xf:fml:caelus:coremodone,pl:mixin:APP:performant.mixins.json:entity.LivingEntityMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70030_z(MobEntity.java:207) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:performant.mixins.json:entity.MobEntityMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.Entity.func_70071_h_(Entity.java:368) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:randompatches:RandomPatches Entity Transformer,pl:runtimedistcleaner:A}
at net.minecraft.entity.LivingEntity.func_70071_h_(LivingEntity.java:2024) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:charm:LivingEntity,xf:fml:caelus:coremodone,pl:mixin:APP:performant.mixins.json:entity.LivingEntityMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.entity.MobEntity.func_70071_h_(MobEntity.java:274) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:performant.mixins.json:entity.MobEntityMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_217479_a(ServerWorld.java:600) ~[?:?] {re:classloading,pl:runtimedistcleaner:A,re:mixin,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_217390_a(World.java:536) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:performant.mixins.json:world.WorldMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:401) ~[?:?] {re:classloading,pl:runtimedistcleaner:A,re:mixin,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:849) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:784) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212] {}

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

-- Head --
Thread: Server thread
Stacktrace:
at java.util.concurrent.ConcurrentLinkedDeque.(ConcurrentLinkedDeque.java:849)
at svenhjol.strange.scrolls.event.QuestEvents.respondToEvent(QuestEvents.java:198)
at svenhjol.strange.scrolls.event.QuestEvents.onMobKilled(QuestEvents.java:178)
at net.minecraftforge.eventbus.ASMEventHandler_371_QuestEvents_onMobKilled_LivingDeathEvent.invoke(.dynamic)
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80)
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
at net.minecraftforge.common.ForgeHooks.onLivingDeath(ForgeHooks.java:349)
at net.minecraft.entity.LivingEntity.func_70645_a(LivingEntity.java:1077)
at chumbanotz.mutantbeasts.entity.mutant.MutantEndermanEntity.func_70609_aI(MutantEndermanEntity.java:786)
at net.minecraft.entity.LivingEntity.func_70030_z(LivingEntity.java:351)
at net.minecraft.entity.MobEntity.func_70030_z(MobEntity.java:207)
at net.minecraft.entity.Entity.func_70071_h_(Entity.java:368)
at net.minecraft.entity.LivingEntity.func_70071_h_(LivingEntity.java:2024)
at net.minecraft.entity.MobEntity.func_70071_h_(MobEntity.java:274)
at net.minecraft.world.server.ServerWorld.func_217479_a(ServerWorld.java:600)

-- Entity being ticked --
Details:
Entity Type: mutantbeasts:mutant_enderman (chumbanotz.mutantbeasts.entity.mutant.MutantEndermanEntity)
Entity ID: 72100
Entity Name: Mutant Enderman
Entity's Exact location: 52.93, 67.00, -308.34
Entity's Block location: World: (52,67,-309), Chunk: (at 4,4,11 in 3,-20; contains blocks 48,0,-320 to 63,255,-305), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Entity's Momentum: 0.00, -0.08, 0.00
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null
Stacktrace:
at net.minecraft.world.World.func_217390_a(World.java:536)
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:401)

-- Affected level --
Details:
All players: 3 total; [ServerPlayerEntity['Super_Man_Hacker'/37136, l='world', x=-679.96, y=61.70, z=-843.84], ServerPlayerEntity['W0LFooo'/43750, l='world', x=38.08, y=64.00, z=-307.41], ServerPlayerEntity['twisted_miner1'/41547, l='world', x=41.50, y=66.00, z=-110.50]]
Chunk stats: ServerChunkCache: 4708
Level dimension: DimensionType{minecraft:overworld}
Level name: world
Level seed: -664295474497568865
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (-42,65,-298), Chunk: (at 6,4,6 in -3,-19; contains blocks -48,0,-304 to -33,255,-289), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 7485422 game time, 871192 day time
Known server brands: forge
Level was modded: true
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 83787 (now: false), thunder time: 93692 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:849)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:784)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637)
at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
Minecraft Version: 1.15.2
Minecraft Version ID: 1.15.2
Operating System: Linux (amd64) version 4.4.0-151-generic
Java Version: 1.8.0_212, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 536733912 bytes (511 MB) / 1636548608 bytes (1560 MB) up to 10468982784 bytes (9984 MB)
CPUs: 4
JVM Flags: 15 total; -Xms1G -Xmx10G -XX:+AggressiveOpts -XX:ParallelGCThreads=3 -XX:+UseConcMarkSweepGC -XX:+UnlockExperimentalVMOptions -XX:+UseParNewGC -XX:+ExplicitGCInvokesConcurrent -XX:MaxGCPauseMillis=10 -XX:GCPauseIntervalMillis=50 -XX:+UseFastAccessorMethods -XX:+OptimizeStringConcat -XX:NewSize=84m -XX:+UseAdaptiveGCBoundary -XX:NewRatio=3
ModLauncher: 5.0.0-milestone.4+67+b1a340b
ModLauncher launch target: fmlserver
ModLauncher naming: srg
ModLauncher services:
/eventbus-2.0.0-milestone.1-service.jar eventbus PLUGINSERVICE
/forge.jar object_holder_definalize PLUGINSERVICE
/forge.jar runtime_enum_extender PLUGINSERVICE
/accesstransformers-2.0.4-shadowed.jar accesstransformer PLUGINSERVICE
/forge.jar capability_inject_definalize PLUGINSERVICE
/forge.jar runtimedistcleaner PLUGINSERVICE
/forge.jar fml TRANSFORMATIONSERVICE
/MixinBootstrap-1.0.3.jar mixinbootstrap TRANSFORMATIONSERVICE
/MixinBootstrap-1.0.3.jar mixin PLUGINSERVICE
/MixinBootstrap-1.0.3.jar mixinbootstrap PLUGINSERVICE
FML: 31.1
Forge: net.minecraftforge:31.1.41
FML Language Providers:
[email protected]
minecraft@1
[email protected]
Mod List:
inftrading_1.15.2-1.0.jar Infinite Trading {[email protected] DONE}
inventorysorter-1.15.2-17.0.0.jar Simple Inventory Sorter {[email protected] DONE}
glasscutter-1.0.1-1.15.2.jar Glasscutter {[email protected] DONE}
doubledoors_1.15-2.0.jar Double Doors {[email protected] DONE}
roughmobsrevamped-1.15.2-4.1.1.jar Rough Mobs Revamped {roughmobsrevamped@version DONE}
CraftingAutomat-MC1.15.2-1.2.1.jar Crafting Automat {[email protected] DONE}
PreGenForge-0.1.0-mc1.15.2.jar PreGenForge {[email protected] DONE}
DeathCounter-1.15.2-1.2.0.jar Death Counter {[email protected] DONE}
jei-1.15.2-6.0.0.4.jar Just Enough Items {[email protected] DONE}
metalbarrels-2.1.jar Metal Barrels {[email protected] DONE}
goblintraders-1.2.0-1.15.2.jar Goblin Traders {[email protected] DONE}
caelus-FORGE-1.15.2-2.0-beta2.jar Caelus API {[email protected] DONE}
Upgrade-Aquatic-1.15.2-v1.5.1.jar Upgrade Aquatic {[email protected] DONE}
SilentMechanisms-1.15.2-0.7.0+50.jar Silent's Mechanisms {[email protected]+50 DONE}
BetterStorageToo-1.15.2-5.0.1.0.jar BetterStorageToo {[email protected] DONE}
essentials-1.15.2-2.7.0.jar Essentials {[email protected] DONE}
Waystones_1.15.2-6.0.1.jar Waystones {[email protected] DONE}
glassential-forge-1.15.2-1.1.2.jar Glassential {[email protected] DONE}
TerraForged-1.15.2-0.0.13.jar TerraForged {[email protected] DONE}
journeymap-1.15.2-5.7.0b2.jar Journeymap {[email protected] DONE}
CookingForBlockheads_1.15.2-8.0.1.jar Cooking for Blockheads {[email protected] DONE}
Placebo-1.15.2-3.0.2.jar Placebo {[email protected] DONE}
decorative_blocks-6d.jar Decorative Blocks {[email protected] DONE}
DungeonCrawl-1.15.2-1.6.3.jar Dungeon Crawl {[email protected] DONE}
MutantBeasts-1.15.2-1.0.5.jar Mutant Beasts {[email protected] DONE}
FarmingForBlockheads_1.15.2-6.1.2.jar Farming for Blockheads {[email protected] DONE}
Bookshelf-1.15.2-5.5.33.jar Bookshelf {[email protected] DONE}
Coins-1.15.2-1.0.1.jar Coins {[email protected] DONE}
The-Endergetic-Expansion-1.15.2-v1.2.8.jar The Endergetic Expansion {[email protected] DONE}
guardvillagers-1.15.2-1.0.6.jar Guard Villagers {[email protected] DONE}
randompatches-1.15.2-1.21.1.2.jar RandomPatches {[email protected] DONE}
ProgressiveBosses-2.1.5-mc1.15.2.jar Progressive Bosses {[email protected] DONE}
Morpheus-1.15.2-4.2.50.jar Morpheus {morpheus@version DONE}
mapperbase-1.15.2-1.1.0.0.jar Mapper Base {[email protected] DONE}
dragondropsel_1.15.2-1.0.jar Dragon Drops Elytra {[email protected] DONE}
travellersboots-1.15.2-1.3.2.jar Traveller's Boots {[email protected] DONE}
forge-1.15.2-31.1.41-universal.jar Forge {[email protected] DONE}
SimpleOres2-1.15.2-2.1.5.1.jar Simple Ores {[email protected] DONE}
extendedfurnace-2.2.jar Extended Furnace {[email protected] DONE}
ironchest-1.15.2-10.0.3.jar Iron Chests {[email protected] DONE}
anviltweaks-2.3.jar Anvil Tweaks {[email protected] DONE}
forge-1.15.2-31.1.41-server.jar Minecraft {[email protected] DONE}
repurposedstructures-1.15.2-1.4.0.jar Repurposed Structures {[email protected] DONE}
theoneprobe-1.15-2.0.2.jar The One Probe {[email protected] DONE}
embellishcraft-1.15.2-2.2.0.0.jar EmbellishCraft {[email protected] DONE}
MouseTweaks-2.13-mc1.15.1.jar Mouse Tweaks {[email protected] DONE}
SilentLib-1.15.2-4.6.1+49.jar Silent Lib {[email protected]+49 DONE}
phosphor-forge-mc1.15.2-0.5.2+build.4.jar Phosphor {[email protected]+build.4 DONE}
valhelsia_structures-15.0.2a.jar Valhelsia Structures {[email protected] DONE}
concreteconversion-1.15.2-4.1.0.0.jar Concrete Conversion {[email protected] DONE}
playerhopper-1.15-1.3.jar Player Hopper {[email protected] DONE}
simplefarming-1.15.2-1.2.7.jar Simple Farming {[email protected] DONE}
GeneticAnimals-0_5_3.jar Genetic Animals {eanimod@0_5_3 DONE}
extragolems-10.1.1.jar Extra Golems {[email protected] DONE}
dimdungeons-1.051-forge-1.15.2.jar Dimensional Dungeons {[email protected] DONE}
curios-FORGE-1.15.2-2.0.2.2.jar Curios API {[email protected] DONE}
horse_colors-1.15.2-1.1.3.jar Realistic Horse Genetics {[email protected] DONE}
performant-1.15-2.09m.jar Performant {[email protected] DONE}
backpacked-1.4.1-1.15.2.jar Backpacked {[email protected] DONE}
harvest-1.15.2-1.0.1.jar Harvest {[email protected] DONE}
Gobber2-1.15.2-2.2.90.jar Gobber 2 {[email protected] DONE}
grindr-1.15.2-0.0.1.5.jar Grindr {[email protected] DONE}
AttainedDrops-1.15.2-6.0.7.jar Attained Drops {[email protected] DONE}
PowderPower-1.15.2-3.1.61.jar Powder Power {[email protected] DONE}
noRecipeBook_v1.5.4formc1.15.2.jar No Recipe Book {[email protected] DONE}
Project MMO-1.15-2.25.1.jar Project MMO {[email protected] DONE}
curiouselytra-FORGE-1.15.2-2.0.jar Curious Elytra {[email protected] DONE}
AI-Improvements-1.15.2-0.3.0.jar AI-Improvements {[email protected] DONE}
moredragoneggs-1.0.jar More Dragon Eggs {[email protected] DONE}
Biomes_You_Go-0.3.3-BETA.jar Oh The Biomes You'll Go {[email protected] DONE}
Charm-1.15.2-1.5.7.jar Charm {[email protected] DONE}
Strange-1.15.2-1.0.0-beta.3.jar Strange {[email protected] DONE}
classicbar-3.0.2.jar Classic Bar {[email protected] DONE}
EnderMail-1.15.2-1.1.0.jar Ender Mail {[email protected] DONE}
TrinityWeapons-1.15.2-1.4.1.jar TrinityWeapons {[email protected] DONE}
farlanders-1.15.2-1.1.2.jar The Farlanders {[email protected] DONE}
Player Count: 3 / 20; [ServerPlayerEntity['Super_Man_Hacker'/37136, l='world', x=-679.96, y=61.70, z=-843.84], ServerPlayerEntity['W0LFooo'/43750, l='world', x=38.08, y=64.00, z=-307.41], ServerPlayerEntity['twisted_miner1'/41547, l='world', x=41.50, y=66.00, z=-110.50]]
Data Packs: vanilla, mod:aiimprovements (incompatible), mod:anviltweaks (incompatible), mod:attained_drops (incompatible), mod:backpacked (incompatible), mod:betterstorage (incompatible), mod:bookshelf (incompatible), mod:byg, mod:caelus (incompatible), mod:charm (incompatible), mod:classicbar (incompatible), mod:coins (incompatible), mod:concreteconversion (incompatible), mod:craftingautomat (incompatible), mod:curios (incompatible), mod:curiouselytra (incompatible), mod:deathcounter (incompatible), mod:dimdungeons, mod:doubledoors (incompatible), mod:dragondropsel (incompatible), mod:dungeoncrawl (incompatible), mod:embellishcraft (incompatible), mod:endergetic (incompatible), mod:endermail (incompatible), mod:essentials (incompatible), mod:extendedfurnace (incompatible), mod:farlanders (incompatible), mod:forge (incompatible), mod:glasscutter, mod:gobber2 (incompatible), mod:goblintraders, mod:golems (incompatible), mod:grindr, mod:guardvillagers (incompatible), mod:harvest (incompatible), mod:horse_colors, mod:inftrading (incompatible), mod:inventorysorter (incompatible), mod:ironchest, mod:jei (incompatible), mod:journeymap (incompatible), mod:mapperbase, mod:metalbarrels (incompatible), mod:moredragoneggs, mod:morpheus (incompatible), mod:mousetweaks (incompatible), mod:mutantbeasts (incompatible), mod:norecipebook, mod:performant (incompatible), mod:placebo (incompatible), mod:playerhopper (incompatible), mod:pmmo (incompatible), mod:powder_power (incompatible), mod:pregenforge (incompatible), mod:progressivebosses, mod:randompatches (incompatible), mod:repurposed_structures, mod:roughmobsrevamped (incompatible), mod:silentlib (incompatible), mod:silents_mechanisms (incompatible), mod:simplefarming, mod:simpleores (incompatible), mod:strange (incompatible), mod:terraforged, mod:theoneprobe (incompatible), mod:travellersboots (incompatible), mod:trinity (incompatible), mod:upgrade_aquatic (incompatible), mod:valhelsia_structures (incompatible), mod:waystones (incompatible), file/fossil_dungeons.zip (incompatible), file/illager-fortresses-v6-for-1-15-2.zip (incompatible), mod:eanimod (incompatible), mod:cookingforblockheads (incompatible), mod:decorative_blocks, mod:farmingforblockheads (incompatible), mod:glassential (incompatible), mod:phosphor
Is Modded: Definitely; Server brand changed to 'forge'
Type: Dedicated Server (map_server.txt)

Try the version just released and try to recreate what happened when the crash occurred. https://www.curseforge.com/minecraft/mc-mods/mutant-beasts/files