Solved Lockette Help

I'm getting the following error when trying to lock a chest, I haven't tampered with anything this is a fresh install. Any help?


Could not pass event SignChangeEvent to Lockette v1.8.23
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:312) ~[run.jar:git-Bukkit-ba575a5]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[run.jar:git-Bukkit-ba575a5]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:519) ~[run.jar:git-Bukkit-ba575a5]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:504) ~[run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:2350) ~[run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.PacketPlayInUpdateSign.a(SourceFile:44) ~[run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.PacketPlayInUpdateSign.a(SourceFile:10) ~[run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:13) ~[run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(SourceFile:135) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(SourceFile:114) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:853) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:846) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(SourceFile:123) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:830) [run.jar:git-Bukkit-ba575a5]
at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:770) [run.jar:git-Bukkit-ba575a5]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_14_R1.block.CraftBlockState cannot be cast to org.bukkit.block.Sign
at org.yi.acru.bukkit.Lockette.LocketteBlockListener.onSignChange(LocketteBlockListener.java:1016) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_161]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[run.jar:git-Bukkit-ba575a5]
... 17 more

 

cheers, I haven't run bukkit for years so I'm kinda out of the loop on these things.