???

[10:35:49 ERROR]: Error occurred while enabling LobbySystem v0.1 (Is it up to date?)
java.lang.NullPointerException
        at me.Lobby.Main.onEnable(Main.java:43) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:335) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.loadPlugin(CraftServer.java:356) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.enablePlugins(CraftServer.java:316) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.reload(CraftServer.java:746) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.Bukkit.reload(Bukkit.java:534) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.dispatchCommand(CraftServer.java:646) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.dispatchServerCommand(CraftServer.java:632) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.DedicatedServer.aN(DedicatedServer.java:405) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:369) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [spigot.jar:git-Spigot-870264a-0a645a2]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_101]