NPE when trying to access undefined global variable

[RiledUpCrow]

Similar to this:

[18:44:43 ERROR]: [BetonQuest] Variable lever not defined in package default
[18:44:43 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'q' in plugin BetonQuest v1.9-dev
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at org.bukkit.craftbukkit.v1_9_R1.CraftServer.dispatchCommand(CraftServer.java:645) ~[spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.PlayerConnection.handleCommand(PlayerConnection.java:1350) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.PlayerConnection.a(PlayerConnection.java:1185) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_91]
    at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_91]
    at net.minecraft.server.v1_9_R1.SystemUtils.a(SourceFile:45) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:721) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559) [spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
Caused by: java.lang.NullPointerException
    at java.lang.String.replace(Unknown Source) ~[?:1.8.0_91]
    at pl.betoncraft.betonquest.config.Config.getMessage(Config.java:275) ~[?:?]
    at pl.betoncraft.betonquest.config.Config.sendMessage(Config.java:479) ~[?:?]
    at pl.betoncraft.betonquest.config.Config.sendMessage(Config.java:433) ~[?:?]
    at pl.betoncraft.betonquest.commands.QuestCommand.sendMessage(QuestCommand.java:1182) ~[?:?]
    at pl.betoncraft.betonquest.commands.QuestCommand.handleEvents(QuestCommand.java:653) ~[?:?]
    at pl.betoncraft.betonquest.commands.QuestCommand.onCommand(QuestCommand.java:102) ~[?:?]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.9.2.jar:git-Spigot-e000104-4cb3258]
    ... 15 more

[RiledUpCrow]

It seems fixed in fff3ac7