Bukkit

Hello!

The mod is currently not functioning and here are the errors i'm getting.

------When starting the server::------

[06:11:07] [Server thread/INFO]: [RegionSelfService] Enabling RegionSelfService v2.0.1a-SNAPSHOT
[06:11:07] [Server thread/INFO]: [RegionSelfService]  Protection plugin found:
[06:11:07] [Server thread/INFO]: [RegionSelfService]     WorldGuard v6.0.0-beta-05.1569-
[06:11:07] [Server thread/INFO]: [RegionSelfService]  Economy plugin found:
[06:11:07] [Server thread/INFO]: [RegionSelfService]     Vault v1.5.2-b33 (Essentials Economy)
[06:11:07] [Server thread/ERROR]: Error occurred while enabling RegionSelfService v2.0.1a-SNAPSHOT (Is it up to date?)
java.lang.NoClassDefFoundError: com/sk89q/worldguard/protection/databases/ProtectionDatabaseException
    at com.mtihc.regionselfservice.v2.plots.PlotManager.<init>(PlotManager.java:68) ~[?:?]
    at com.mtihc.regionselfservice.v2.plugin.SelfServiceManager.<init>(SelfServiceManager.java:18) ~[?:?]
    at com.mtihc.regionselfservice.v2.plugin.SelfServicePlugin.onEnable(SelfServicePlugin.java:52) ~[?:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:335) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugin(CraftServer.java:355) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.craftbukkit.v1_8_R1.CraftServer.enablePlugins(CraftServer.java:315) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.MinecraftServer.q(MinecraftServer.java:402) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.MinecraftServer.k(MinecraftServer.java:370) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.MinecraftServer.a(MinecraftServer.java:325) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:211) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:494) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at java.lang.Thread.run(Unknown Source) [?:1.7.0_51]
Caused by: java.lang.ClassNotFoundException: com.sk89q.worldguard.protection.databases.ProtectionDatabaseException
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_51]
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_51]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_51]
    at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_51]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_51]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_51]
    ... 14 more

------When attempting to use a rent or buy sign::------

[12:48:30] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to RegionSelfService v2.0.1a-SNAPSHOT
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:226) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.PlayerInteractManager.interact(PlayerInteractManager.java:463) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:724) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:50) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:80) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_51]
    at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_51]
    at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:683) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    at java.lang.Thread.run(Unknown Source) [?:1.7.0_51]
Caused by: java.lang.NullPointerException
    at com.mtihc.regionselfservice.v2.plots.PlotListener.onPlayerInteract(PlotListener.java:323) ~[?:?]
    at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source) ~[?:?]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot_1.8_eb39b47-0899683.jar:git-Spigot-eb39b47-0899683]
    ... 16 more

This just started recently. I'm afraid i'm not sure what I updated to make that happen either.

Version:
RegionSelfService v2.0.1a-SNAPSHOT
WorldGuard v6.0.0-beta-05.1569-
Vault v1.5.2-b33 (Essentials Economy)

Thanks!