Java Environment:
  Operating System: Linux
  Java Version: 11.0.6

Server Software: Tuinity
  Build: git-Tuinity-"cc34294" (MC: 1.16.4)
  Minecraft v1.16.4-R0.1-SNAPSHOT

Slimefun Environment:
  CS-CoreLib vDEV - 92 (git e9150d72)
  Slimefun vDEV - 766 (git 5aa5ca1a)
  Caused by: FluffyMachines vDEV - 54 (git e23b38fb)

Installed Addons (24)
  + EcoPower DEV - 2 (git b0c0c875)
  + GlobalWarming DEV - 4 (git bd8e730a)
  + ExtraGear DEV - 12 (git 4570ea2c)
  + RestrictedCreative 2.4.4
  + InfinityExpansion DEV - 51 (git fc1a547e)
  + MobCapturer DEV - 11 (git 4edf38dd)
  + TranscEndence DEV - 22 (git 7660c9f0)
  + ChestTerminal DEV - 38 (git c024be5c)
  + Residence 4.9.2.2
  + HotbarPets DEV - 32 (git 977f0591)
  + SlimefunLuckyBlocks DEV - 30 (git 26824119)
  + ExoticGarden DEV - 63 (git b7dfe8c3)
  + SoulJars DEV - 18 (git 098ad836)
  + ExtraTools DEV - 23 (git 9299a65c)
  + FoxyMachines DEV - 9 (git 27240b97)
  + SlimefunOreChunks DEV - 10 (git 91df3b8e)
  - MoreTools DEV - 8 (git db8d8814)
  + SlimyTreeTaps DEV - 16 (git 46272e92)
  + PrivateStorage DEV - 15 (git a0fbc572)
  + ColoredEnderChests DEV - 17 (git f9a39e70)
  + FluffyMachines DEV - 54 (git e23b38fb)
  + DyedBackpacks DEV - 11 (git b8eda0c7)
  + SoundMuffler DEV - 18 (git fd181e0d)
  + LiteXpansion DEV - 100 (git cae4353e)

Installed Plugins (87):
  + IALibs 1.0
  + AntiAFKPlus 3.02
  + PlugMan 2.1.7
  + SkinsRestorer 13.8.6
  + CommandHook 1.0.6
  + WeatherVote 1.5.0-pre 1.16
  + LightAPI 3.4.6
  + AntiBotDeluxe 10.2
  + WorldBorderAPI 1.0
  + spark 1.4.1
  + Votifier 2.7.1
  + LoneLibs 1.0.7
  + ProtocolLib 4.6.0-SNAPSHOT-b482
  + NightVision 1.0
  + LibsDisguises 10.0.20-SNAPSHOT
  + BetterChatCooldowns 1.2
  + PermissionsEx 1.23.4
  + BlockPhysicsEventDetector 0.3
  + CS-CoreLib DEV - 92 (git e9150d72)
  + Vault 1.7.3-b131
  + FakaHedaMinequery 1.8
  + ProtocolSupport 1.16.4-1
  + TimeVote 1.5.0-pre 1.16
  + Vehicles 11.5
  + ClientStats 2.11.0
  + TreasureChestReloaded 8.5.1
  + MyCommand 5.6.7
  + WorldEdit 7.2.0+a51fa43
  + Essentials 2.19.0-dev+17-dda4d58
  + HeadDatabase 4.13.0
  + Citizens 2.0.27-SNAPSHOT (build 2162)
  + BentoBox 1.15.1
  + EssentialsChat 2.19.0-dev+17-dda4d58
  + TAB 2.8.8
  + SuperbVote 0.5.5
  + WorldGuard 7.0.4-SNAPSHOT+2063-f677af5
  + ChristmasPlus 2.19.0
  + EssentialsProtect 2.19.0-dev+17-dda4d58
  + AdvancedLottery 10.4
  + EssentialsSpawn 2.19.0-dev+17-dda4d58
  + CoreProtect 19.3
  + VehiclesFlags 1.1
  + Multiverse-Core 4.2.3-SNAPSHOT-b815
  + CraftBook 3.10.3-SNAPSHOT;4653-bccd757
  + mcMMO 2.1.158
  + MiniaturePets 2.5.4
  + AuthMe 5.6.0-SNAPSHOT-b2421
  + MobArena 0.105
  + Slimefun DEV - 766 (git 5aa5ca1a)
  + MythicMobs 4.10.1-3456
  + EcoPower DEV - 2 (git b0c0c875)
  + NexEngine 2.0.3
  + GlobalWarming DEV - 4 (git bd8e730a)
  + ExtraGear DEV - 12 (git 4570ea2c)
  + RestrictedCreative 2.4.4
  + InfinityExpansion DEV - 51 (git fc1a547e)
  + Jobs 4.16.3
  + MobCapturer DEV - 11 (git 4edf38dd)
  + ActionHealth 3.5.2
  + TranscEndence DEV - 22 (git 7660c9f0)
  + ChestTerminal DEV - 38 (git c024be5c)
  + DiscordSRV 1.21.0
  + Residence 4.9.2.2
  + HotbarPets DEV - 32 (git 977f0591)
  + SlimefunLuckyBlocks DEV - 30 (git 26824119)
  + ExoticGarden DEV - 63 (git b7dfe8c3)
  + SoulJars DEV - 18 (git 098ad836)
  + ArtMap 3.6.7
  + ExtraTools DEV - 23 (git 9299a65c)
  + FoxyMachines DEV - 9 (git 27240b97)
  + SlimefunOreChunks DEV - 10 (git 91df3b8e)
  + FastLogin 1.11-SNAPSHOT-de1487b
  + ChestShop 3.11.1-SNAPSHOT (build 230)
  - MoreTools DEV - 8 (git db8d8814)
  + SlimyTreeTaps DEV - 16 (git 46272e92)
  + PrivateStorage DEV - 15 (git a0fbc572)
  + ColoredEnderChests DEV - 17 (git f9a39e70)
  + FluffyMachines DEV - 54 (git e23b38fb)
  + ItemsAdder 2.1.21
  + DyedBackpacks DEV - 11 (git b8eda0c7)
  + AuctionHouse 2.1.12
  + SoundMuffler DEV - 18 (git fd181e0d)
  + Quests 4.0.0-rc.3-b168
  + GoldenCrates 3.10.0
  + Shopkeepers 2.11.0
  + LiteXpansion DEV - 100 (git cae4353e)
  + Brewery 3.0

Block Info:
  World: bskyblock_world
  X: -391
  Y: 121
  Z: 1431
  Material: BEEHIVE
  Block Data: org.bukkit.craftbukkit.v1_16_R3.block.impl.CraftBeehive
  State: org.bukkit.craftbukkit.v1_16_R3.block.CraftBeehive

Ticker-Info:
  Type: Asynchronous

Slimefun Data:
  ID: SMALL_FLUFFY_BARREL
  Inventory: true
  Data: {"stored":"63","id":"SMALL_FLUFFY_BARREL"}

Stacktrace:

java.lang.NullPointerException
	at io.ncbpfluffybear.fluffymachines.items.Barrel.updateMenu(Barrel.java:392)
	at io.ncbpfluffybear.fluffymachines.items.Barrel.registerItem(Barrel.java:344)
	at io.ncbpfluffybear.fluffymachines.items.Barrel.tick(Barrel.java:282)
	at io.ncbpfluffybear.fluffymachines.items.Barrel$2.tick(Barrel.java:258)
	at io.github.thebusybiscuit.slimefun4.implementation.tasks.TickerTask.tickBlock(TickerTask.java:189)
	at io.github.thebusybiscuit.slimefun4.implementation.tasks.TickerTask.tickLocation(TickerTask.java:176)
	at io.github.thebusybiscuit.slimefun4.implementation.tasks.TickerTask.tickChunk(TickerTask.java:146)
	at io.github.thebusybiscuit.slimefun4.implementation.tasks.TickerTask.run(TickerTask.java:115)
	at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:99)
	at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:58)
	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)