[19:40:59] [Server thread/ERROR]: Error occurred while enabling MoreVaultPlus v2.3.7i (Is it up to date?)
java.lang.NoClassDefFoundError: com/sk89q/worldguard/protection/flags/Flag
	at me.onenrico.morevaultplus.main.Core.setupConstructor(Core.java:107) ~[?:?]
	at me.onenrico.morevaultplus.main.Core.onEnable(Core.java:70) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_144]
Caused by: java.lang.ClassNotFoundException: com.sk89q.worldguard.protection.flags.Flag
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_144]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[Skyblock.jar:git-Spigot-21fe707-e1ebe52]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_144]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_144]
	... 13 more