Hỏi về Plugin Lỗi Quests

[IceGirlCute]

[12:243 WARN]: [Quests] Task #252 for Quests v3.9.5-b130 generated an exceptio
n
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.LinkedList.checkElementIndex(Unknown Source) ~[?:1.8.0_261]

at java.util.LinkedList.get(Unknown Source) ~[?:1.8.0_261]
at me.blackvein.quests.Quester.loadData(Quester.java418) ~[?]
at me.blackvein.quests.Quests.getQuester(Quests.java:1302) ~[?]
at me.blackvein.quests.tasks.NpcEffectThread.run(NpcEffectThread.java7
) ~[?]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.jav
a:76) ~[spigot.jar:git-Spigot-2cf50f0-2b93d83]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHe
artbeat(CraftScheduler.java61) [spigot.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:
739) [spigot.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:
406) [spigot.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:
679) [spigot.jar:git-Spigot-2cf50f0-2b93d83]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.jav
a:577) [spigot.jar:git-Spigot-2cf50f0-2b93d83]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_261]

 

Plugin  đây là lỗi askyblock và nó ko cho quyền member làm gì hét :<

File server Spigot  Mua config boss