[20:05:44] [Server thread/FATAL]: Error executing task on Server
java.lang.NullPointerException: null
        at net.minecraft.server.v1_16_R2.ChunkMapDistance.b(ChunkMapDistance.java:244) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.PlayerChunkMap.movePlayer(PlayerChunkMap.java:956) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.ChunkProviderServer.movePlayer(ChunkProviderServer.java:482) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.PlayerConnection.a(PlayerConnection.java:1034) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.PacketPlayInFlying.a(SourceFile:122) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.PacketPlayInFlying$PacketPlayInPosition.a(SourceFile:56) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:19) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.TickTask.run(SourceFile:18) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.IAsyncTaskHandler.executeTask(SourceFile:144) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.IAsyncTaskHandler.executeNext(SourceFile:118) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.MinecraftServer.ba(MinecraftServer.java:941) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.MinecraftServer.executeNext(MinecraftServer.java:934) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.IAsyncTaskHandler.awaitTasks(SourceFile:127) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.MinecraftServer.sleepForTick(MinecraftServer.java:918) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.MinecraftServer.w(MinecraftServer.java:850) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at net.minecraft.server.v1_16_R2.MinecraftServer.lambda$0(MinecraftServer.java:164) ~[spigot.jar:git-Spigot-b5a13e6-3980640]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]