SF Error

Server Software: Paper
  Build: git-Paper-1444 (MC: 1.12.2)
  Minecraft: 1.12.2-R0.1-SNAPSHOT

Slimefun Environment:
  CS-CoreLib vv1.5.18
  Slimefun vv4.1.15

 Installed Addons (3)
  + Barrels 1.11
  + SlimeXpansion 1.1.9
  + ExoticGarden 1.6.3

Installed Plugins (87):
  + Questioner 0.6
  + PlaceholderAPI 2.9.1
  + GroupManager 2.0.1-b332
  + NametagEdit 4.2.0
  + FarmLimiter 1.2
  + UltimateVotes 1.7.2
  + ChatReaction 1.7.1
  + DeluxeTags 1.7.1
  + SuperTrails 9.6.7
  + ItemFilter 2.0-SNAPSHOT
  + CoreProtect 2.14.2
  + NoLagg 1.2
  + AWD 2.3.2
  + AutoSmelt 1.3
  + Chairs 4.11
  + BuycraftX 10.6.2
  + ActionHealth 3.2.0
  + Votifier 1.9
  + IronElevators 1.1
  + LRestart 0.0.1
  + ProtocolLib 4.3.0
  + Multiverse-Core 2.5.0-b727
  + LibsDisguises 9.5.1-SNAPSHOT
  + GuiRedeemMCMMO 1.5.4
  + MVdWPlaceholderAPI 2.5.1
  + SignEdit 1.7.0
  + FastAsyncWorldEdit 18.06.10-9144d37-1142-20.1.12
  + DropParty 1.2 (World Fix)
  + ImageOnMap 2.99
  + ColoredMotd 1.4.3
  + FeatherBoard 4.9.0
  + CommandWatcher 1.0
  + CS-CoreLib v1.5.18
  + mcMMO 1.5.10-SNAPSHOT
  + StaffChat 2.3
  + Multiverse-Portals 2.5.0-b751
  + ExperienceBottle 2.0-SNAPSHOT
  + Vault 1.5.6-b49
  + Etrapia 0.1.0-alpha
  - MCDiscordIntegrator 1.6.7
  + UltimateAnnounce 1.5
  + SimpleRename 10.0
  + LWC 2.0.7
  + HolographicDisplays 2.2.6
  + VoteParty 1.11.1
  + Marriage 2.0.18
  + ActionBar 7.2.0
  + AuctionHouse 3.3
  + ChatItem 1.3.6.2
  + PlayerVaults 4.0.5
  + CYTCore 0.8.6-SNAPSHOT
  + WorldEdit 6.1.8-SNAPSHOT;cd4729f
  + Essentials 2.15.0.1
  + EZRanksLite v1.6
  + HeadDatabase 4.3.4
  + LiteBans 2.2.4
  + Citizens 2.0.22-SNAPSHOT (build 1487)
  + MythicDrops 4.1.2-bd6c06f
  + EssentialsChat 2.15.0.1
  + Lottery 1.2.1
  + SuperVanish 5.10.1
  + WorldGuard 6.2.1;84bc322
  + CustomEnchants 18.2
  + Slimefun v4.1.15
  + MythicMobs 4.3.2-SNAPSHOT
  + PrisonCells 2.3
  + EssentialsGeoIP 2.15.0.1
  + Barrels 1.11
  + CommandNPC 1.9.1
  + EssentialsSpawn 2.15.0.1
  + WorldGuardExtraFlags 2.14.2
  + TitleManager 2.0.9
  + SlimeXpansion 1.1.9
  + Towny 0.92.0.1
  + Jobs 4.4.0
  + CrateReloaded 1.3.98.3
  + SilkSpawners 5.0.2
  + TownyChat 0.5
  + Plan 4.3.2
  + ExoticGarden 1.6.3
  + ChestShop 3.9.2-SNAPSHOT (build 78)
  + NoFlyZone 1.3
  + Quests 3.0.0-Naomi-b${env.BUILD_NUMBER}
  + TownyNameUpdater 1.0
  + ShopGUIPlus 1.17.0
  + ChestShopNotifier 1.3.0-SNAPSHOT (build #35)
  + DeluxeChat 1.12.3

Ticked Block:
  World: world
  X: 5005
  Y: 82
  Z: 5992

Slimefun Data:
  ID: BARREL_LARGE
  Inventory: true
  Data: {"owner":"2a46e457-c9c3-4074-95be-ceb336884972","storedItems":"0","id":"BARREL_LARGE","whitelist":" ","capacity":"32768"}

Stacktrace:

java.lang.NullPointerException
	at me.mrCookieSlime.Slimefun.api.inventory.BlockMenu.<init>(BlockMenu.java:29)
	at me.mrCookieSlime.Slimefun.api.BlockStorage.loadInventory(BlockStorage.java:591)
	at me.mrCookieSlime.Slimefun.api.BlockStorage.getInventory(BlockStorage.java:639)
	at me.mrCookieSlime.Slimefun.api.BlockStorage.getInventory(BlockStorage.java:633)
	at me.john000708.barrels.Barrel.updateBarrel(Barrel.java:263)
	at me.john000708.barrels.Barrel.access$100(Barrel.java:36)
	at me.john000708.barrels.Barrel$1$1.onEvent(Barrel.java:64)
	at me.mrCookieSlime.Slimefun.api.inventory.BlockMenu.replaceExistingItem(BlockMenu.java:121)
	at me.mrCookieSlime.Slimefun.api.inventory.BlockMenu.replaceExistingItem(BlockMenu.java:114)
	at me.john000708.barrels.Barrel.pushItems(Barrel.java:453)
	at me.john000708.barrels.Barrel.updateBarrel(Barrel.java:348)
	at me.john000708.barrels.Barrel.access$100(Barrel.java:36)
	at me.john000708.barrels.Barrel$3.tick(Barrel.java:192)
	at me.mrCookieSlime.Slimefun.api.TickerTask$1.run(TickerTask.java:90)
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:63)
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:415)
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:833)
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:427)
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767)
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665)
	at java.lang.Thread.run(Thread.java:748)