20:49:59 [SEVERE] Error occurred while enabling MasterPromote v1.5.2 (Is it up to date?)
java.lang.NullPointerException
        at me.sinnoh.MasterPromote.MasterPromote.commands(MasterPromote.java:77)
        at me.sinnoh.MasterPromote.MasterPromote.onEnable(MasterPromote.java:90)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:374)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
        at com.alecgorge.minecraft.jsonapi.dynamic.APIWrapperMethods.enablePlugin(APIWrapperMethods.java:600)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at com.alecgorge.minecraft.jsonapi.dynamic.Call.call(Call.java:149)
        at com.alecgorge.minecraft.jsonapi.dynamic.Caller$1.call(Caller.java:85)
        at org.bukkit.craftbukkit.scheduler.CraftFuture.run(CraftFuture.java:89)
        at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:316)
        at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:510)
        at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:213)
        at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)