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java.lang.IllegalStateException: Unregistered scoreboard component	at org.bukkit.craftbukkit.v1_10_R1.scoreboard.CraftObjective.checkState(CraftObjective.java:112)	at org.bukkit.craftbukkit.v1_10_R1.scoreboard.CraftObjective.unregister(CraftObjective.java:104)	at com.gmail.nossr50.util.scoreboards.ScoreboardWrapper.loadObjective(ScoreboardWrapper.java:374)	at com.gmail.nossr50.util.scoreboards.ScoreboardWrapper.setTypeSkill(ScoreboardWrapper.java:288)	at com.gmail.nossr50.util.scoreboards.ScoreboardManager.enablePlayerSkillLevelUpScoreboard(ScoreboardManager.java:258)	at com.gmail.nossr50.util.scoreboards.ScoreboardManager.handleLevelUp(ScoreboardManager.java:214)	at com.gmail.nossr50.listeners.SelfListener.onPlayerLevelUp(SelfListener.java:24)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)	at com.gmail.nossr50.util.EventUtils.handleLevelChangeEvent(EventUtils.java:70)	at com.gmail.nossr50.datatypes.player.McMMOPlayer.checkXp(McMMOPlayer.java:503)	at com.gmail.nossr50.datatypes.player.McMMOPlayer.applyXpGain(McMMOPlayer.java:477)	at com.gmail.nossr50.datatypes.player.McMMOPlayer.beginUnsharedXpGain(McMMOPlayer.java:440)	at com.gmail.nossr50.datatypes.player.McMMOPlayer.beginXpGain(McMMOPlayer.java:430)	at com.gmail.nossr50.skills.SkillManager.applyXpGain(SkillManager.java:32)	at com.gmail.nossr50.skills.fishing.FishingManager.handleFishing(FishingManager.java:356)	at com.gmail.nossr50.listeners.PlayerListener.onPlayerFishMonitor(PlayerListener.java:283)	at sun.reflect.GeneratedMethodAccessor358.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)	at net.minecraft.server.v1_10_R1.EntityFishingHook.j(EntityFishingHook.java:434)	at net.minecraft.server.v1_10_R1.ItemFishingRod.a(ItemFishingRod.java:17)	at net.minecraft.server.v1_10_R1.ItemStack.a(ItemStack.java:241)	at net.minecraft.server.v1_10_R1.PlayerInteractManager.a(PlayerInteractManager.java:387)	at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:956)	at net.minecraft.server.v1_10_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:27)	at net.minecraft.server.v1_10_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1)	at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45)	at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:733)	at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:399)	at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:672)	at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:571)	at java.lang.Thread.run(Thread.java:745)