[Server thread/ERROR]: Error occurred while enabling MaintenanceMode v2.2 (Is it up to date?)
java.lang.NoClassDefFoundError: org/spigotmc/AsyncCatcher
	at me.elietgm.mm.bukkit.BukkitPlugin.onEnable(BukkitPlugin.java:59) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:271) ~[craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:329) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugin(CraftServer.java:361) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugins(CraftServer.java:323) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at net.minecraft.server.v1_11_R1.MinecraftServer.t(MinecraftServer.java:411) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at net.minecraft.server.v1_11_R1.MinecraftServer.l(MinecraftServer.java:372) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at net.minecraft.server.v1_11_R1.MinecraftServer.a(MinecraftServer.java:327) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:244) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:521) [craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_74]
Caused by: java.lang.ClassNotFoundException: org.spigotmc.AsyncCatcher
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_74]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77) ~[craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[craftbukkit-1.11.2.jar:git-Bukkit-6e3cec8]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_74]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_74]
	... 12 more