[12:36:49 ERROR]: Failed to check block for any valid signs.
java.lang.NullPointerException: null
        at ru.tehkode.permissions.bukkit.regexperms.PermissiblePEX.hasPermission(PermissiblePEX.java:150) ~[?:?]
        at org.bukkit.craftbukkit.v1_12_R1.entity.CraftHumanEntity.hasPermission(CraftHumanEntity.java:116) ~[spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at com.faris.kingkits.listener.EventListener.onPlayerInteract(EventListener.java:206) [KingKits-5.3.1.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_151]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_151]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_151]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:499) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:484) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:234) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:458) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:944) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:37) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:1) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_151]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_151]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot-1.12.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]