[Autorank] Task #1030 for Autorank v4.0.7 generated an excep

[Autorank] Task #1030 for Autorank v4.0.7 generated an exception
java.lang.NullPointerException
    at me.armar.plugins.autorank.language.Lang.getConfigValue(Lang.java:504) ~[?:?]
    at me.armar.plugins.autorank.pathbuilder.result.EffectResult.getDescription(EffectResult.java:23) ~[?:?]
    at me.armar.plugins.autorank.pathbuilder.PathManager.debugPaths(PathManager.java:82) ~[?:?]
    at me.armar.plugins.autorank.pathbuilder.PathManager.initialiseFromConfigs(PathManager.java:161) ~[?:?]
    at me.armar.plugins.autorank.Autorank$1.run(Autorank.java:310) ~[?:?]
    at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:738) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot-1.11.2.jar:git-Spigot-3fb9445-6e3cec8]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]