error

[ghost]

[17:43:42] [Server thread/ERROR]: Could not pass event SignChangeEvent to LockettePro v2.1.1
java.lang.NullPointerException: null
at org.bukkit.material.Sign.getFacing(Sign.java:134) ~[patched_1.16.5.jar:git-Purpur-1159]
at me.crafter.mc.lockettepro.LocketteProAPI.getAttachedBlock(LocketteProAPI.java:421) ~[?:?]
at me.crafter.mc.lockettepro.BlockPlayerListener.onManualLock(BlockPlayerListener.java:75) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor355.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.16.5.jar:git-Purpur-1159]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.16.5.jar:git-Purpur-1159]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.16.5.jar:git-Purpur-1159]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:624) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:3126) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.PlayerConnection.lambda$a$20(PlayerConnection.java:3074) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.PlayerConnection.lambda$a$1(PlayerConnection.java:505) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.PlayerConnection.lambda$a$3(PlayerConnection.java:519) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1339) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1332) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1308) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1152) ~[patched_1.16.5.jar:git-Purpur-1159]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:293) ~[patched_1.16.5.jar:git-Purpur-1159]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]