Could not pass event PlayerInteractEvent

[DahunDev]

[12:12:04] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to LockettePro v2.9.0
org.bukkit.event.EventException: null
at com.massivecraft.massivelag.inject.MassiveLagEventExecutor.execute(MassiveLagEventExecutor.java:79) ~[?:?]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Spigot-642f6d2-6103339]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:235) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:458) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:951) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:37) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:1) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_172]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_172]
at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_172]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_12_R1.block.CraftBlockState cannot be cast to org.bukkit.block.Sign
at me.crafter.mc.lockettepro.Utils.updateSign(Utils.java:85) ~[?:?]
at me.crafter.mc.lockettepro.Utils.putSignOn(Utils.java:61) ~[?:?]
at me.crafter.mc.lockettepro.BlockPlayerListener.onPlayerQuickLockChest(BlockPlayerListener.java:63) ~[?:?]
at sun.reflect.GeneratedMethodAccessor271.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_172]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_172]
at com.massivecraft.massivelag.inject.MassiveLagEventExecutor.execute(MassiveLagEventExecutor.java:69) ~[?:?]
... 17 more
[12:12:05] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to LockettePro v2.9.0
org.bukkit.event.EventException: null
at com.massivecraft.massivelag.inject.MassiveLagEventExecutor.execute(MassiveLagEventExecutor.java:79) ~[?:?]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Spigot-642f6d2-6103339]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:235) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:458) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:951) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:37) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:1) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_172]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_172]
at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [craftbukkit.jar:git-Spigot-642f6d2-6103339]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_172]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_12_R1.block.CraftBlockState cannot be cast to org.bukkit.block.Sign
at me.crafter.mc.lockettepro.Utils.updateSign(Utils.java:85) ~[?:?]
at me.crafter.mc.lockettepro.Utils.putSignOn(Utils.java:61) ~[?:?]
at me.crafter.mc.lockettepro.BlockPlayerListener.onPlayerQuickLockChest(BlockPlayerListener.java:63) ~[?:?]
at sun.reflect.GeneratedMethodAccessor271.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_172]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_172]
at com.massivecraft.massivelag.inject.MassiveLagEventExecutor.execute(MassiveLagEventExecutor.java:69) ~[?:?]
... 17 more