Stacktrace for playercommandpreprocessevent

[Nubebuster]

[21:41:02 ERROR]: Could not pass event PlayerCommandPreprocessEvent to Landlord v4.311
java.lang.IllegalArgumentException: y out of range (expected 0-255, got -1)
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:168) ~[patched_1.15.2.jar:git-Paper-341]
at org.bukkit.craftbukkit.v1_15_R1.CraftChunk.validateChunkCoordinates(CraftChunk.java:330) ~[patched_1.15.2.jar:git-Paper-341]
at org.bukkit.craftbukkit.v1_15_R1.CraftChunk.getBlock(CraftChunk.java:94) ~[patched_1.15.2.jar:git-Paper-341]
at biz.princeps.landlord.manager.DelimitationManager.delimit(DelimitationManager.java:98) ~[?:?]
at biz.princeps.landlord.commands.claiming.Claim.performNormalClaim(Claim.java:316) ~[?:?]
at biz.princeps.landlord.commands.claiming.Claim.lambda$onClaim$0(Claim.java:119) ~[?:?]
at biz.princeps.lib.chat.ConfirmationDialog$DialogHandler.onCommand(ConfirmationDialog.java:80) ~[?:?]
at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:37) ~[patched_1.15.2.jar:git-Paper-341]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.15.2.jar:git-Paper-341]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.15.2.jar:git-Paper-341]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:607) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.PlayerConnection.handleCommand(PlayerConnection.java:1852) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.PlayerConnection.a(PlayerConnection.java:1668) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:47) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.TickTask.run(SourceFile:18) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.MinecraftServer.ba(MinecraftServer.java:1097) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.MinecraftServer.executeNext(MinecraftServer.java:1090) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1051) ~[patched_1.15.2.jar:git-Paper-341]
at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:966) ~[patched_1.15.2.jar:git-Paper-341]
at java.lang.Thread.run(Thread.java:834) [?:?]

When using /ll confirm