java.lang.NoSuchMethodError: org.bukkit.inventory.meta.ItemMeta.spigot()Lorg/bukkit/inventory/meta/ItemMeta$Spigot;
at com.massivecraft.massivecore.adapter.ItemStackAdapterInnerV1_8.transferUnbreakable(ItemStackAdapterInnerV1_8.java:66) ~[?:?]
at com.massivecraft.massivecore.adapter.ItemStackAdapterInnerV1_8.transferMetaUnspecific(ItemStackAdapterInnerV1_8.java:54) ~[?:?]
at com.massivecraft.massivecore.adapter.ItemStackAdapterInnerV1_7.transferMeta(ItemStackAdapterInnerV1_7.java:226) ~[?:?]
at com.massivecraft.massivecore.adapter.ItemStackAdapterInnerV1_7.transferAll(ItemStackAdapterInnerV1_7.java:140) ~[?:?]
at com.massivecraft.massivecore.adapter.ItemStackAdapterInnerV1_7.erialize(ItemStackAdapterInnerV1_7.java:95) ~[?:?]
at com.massivecraft.massivecore.adapter.ItemStackAdapter.serialize(ItemStackAdapter.java:63) ~[?:?]
at com.massivecraft.massivecore.adapter.ItemStackAdapter.serialize(ItemStackAdapter.java:1) ~[?:?]
at com.massivecraft.massivecore.xlib.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:71) ~[?:?]
at com.massivecraft.massivecore.xlib.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~
[?:?]
at com.massivecraft.massivecore.xlib.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java
:97) ~[?:?]
at com.massivecraft.massivecore.xlib.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java
:1) ~[?:?]
at com.massivecraft.massivecore.xlib.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~
[?:?]
at com.massivecraft.massivecore.xlib.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:100)
~[?:?]
at com.massivecraft.massivecore.xlib.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java
:220) ~[?:?]
at com.massivecraft.massivecore.xlib.gson.Gson.toJson(Gson.java:600) ~[?:?]
at com.massivecraft.massivecore.xlib.gson.Gson.toJsonTree(Gson.java:493) ~[?:?]
at com.massivecraft.massivecore.store.Coll.saveToRemoteFixed(Coll.java:497) ~[?:?]
at com.massivecraft.massivecore.store.Coll.syncIdFixed(Coll.java:697) ~[?:?]
at com.massivecraft.massivecore.store.CollAbstract.syncIdFixed(CollAbstract.java:200) ~[?:?]
at com.massivecraft.massivecore.store.Coll.syncIdentified(Coll.java:773) ~[?:?]
at com.massivecraft.massivecore.store.Coll.onTick(Coll.java:807) ~[?:?]
at com.massivecraft.vampire.entity.UConfColl.onTick(UConfColl.java:25) ~[?:?]
at com.massivecraft.massivecore.EngineCollTick.run(EngineCollTick.java:41) ~[?:?]
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:53) ~[craftbukkit-1.8.8.jar:git-Bukkit-53fac9f]
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:349) [craftbukkit-1.8.8.jar:git-B
ukkit-53fac9f]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:679) [craftbukkit-1.8.8.jar:git-Bukkit-53fac9f]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:335) [craftbukkit-1.8.8.jar:git-Bukkit-53fac9f]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:628) [craftbukkit-1.8.8.jar:git-Bukkit-53fac9f]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:536) [craftbukkit-1.8.8.jar:git-Bukkit-53fac9f]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_31]