[16:53:59 ERROR]: Could not pass event PlayerInteractEvent to MrDungeons v1.0
org.bukkit.event.EventException: null
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1620]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1620]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1620]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1620]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:236) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:486) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1011) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:37) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:5) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1620]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_352]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_352]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1620]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1620]
        at java.lang.Thread.run(Thread.java:750) [?:1.8.0_352]
Caused by: java.lang.IllegalArgumentException: Char § is not a decimal digit
       at kotlin.text.CharsKt__CharKt.digitToInt(Char.kt:24) ~[?:?]
       at me.sturm.mrdungeons.key.Key$Companion.getUsages(Key.kt:84) ~[?:?]
       at me.sturm.mrdungeons.key.Key.getUsages(Key.kt:61) ~[?:?]
       at me.sturm.mrdungeons.key.KeyMaster.getKey(KeyMaster.kt:32) ~[?:?]
       at me.sturm.mrdungeons.dungeon.DungeonMaster.onEventExecute(DungeonMaster.kt:85) ~[?:?]
       at me.sturm.mrdungeons.CommonManager.onEventExecute(CommonManager.kt:100) ~[?:?]
       at me.sturm.mrdungeons.CommonManager.onPlayerInteract(CommonManager.kt:81) ~[?:?]
       at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor52.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1620]
        ... 17 more