Hi, I just created a new Quest but when I do /questadmin reload the chat say An internal error occurred while attempting to perform this command..
The console say:
[02:31:54 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'questadmin' in plugin Quests v1.9.0
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:646) ~[spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1135) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:970) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_79]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_79]
at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:60) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:718) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
Caused by: java.lang.NoSuchMethodError: com.sk89q.worldguard.protection.managers.RegionManager.getRegionExact(Ljava/lang/String;)Lcom/sk89q/worldguard/protection/regions/ProtectedRegion;
at me.blackvein.quests.Quests.loadQuests(Quests.java:2190) ~[?:?]
at me.blackvein.quests.Quests.reloadQuests(Quests.java:2051) ~[?:?]
at me.blackvein.quests.Quests.onCommand(Quests.java:1296) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
... 15 more

Can anybody help me?