BlockProt 1.16.5 error

Could not pass event InventoryClickEvent to BlockProt v0.1.8
org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:311) ~[server.jar:2991-Bukkit-f3f3094]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[server.jar:2991-Bukkit-f3f3094]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:588) ~[server.jar:2991-Bukkit-f3f3094]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:575) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:2218) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.PacketPlayInWindowClick.a(SourceFile:32) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.PacketPlayInWindowClick.a(SourceFile:10) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:19) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(SourceFile:144) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(SourceFile:118) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:900) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:893) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(SourceFile:127) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:877) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:816) ~[server.jar:2991-Bukkit-f3f3094]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:155) ~[server.jar:2991-Bukkit-f3f3094]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_281]
Caused by: java.lang.RuntimeException: Given block AIR is not a lockable block/tile entity
        at de.sean.blockprot.bukkit.nbt.BlockLockHandler.<init>(BlockLockHandler.kt:23) ~[?:?]
        at de.sean.blockprot.bukkit.events.InventoryEvent.onInventoryClick(InventoryEvent.kt:55) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_281]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_281]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_281]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_281]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:309) ~[server.jar:2991-Bukkit-f3f3094]