After around 30 seconds ingame we get the error below.

Upgrading to 1.13.1 and then to the latest versions had no effect.

05.09 20:32:06 [Server] ERROR The server has stopped responding! 05.09 20:32:06 [Server] ERROR Please report this to http://www.spigotmc.org/ 05.09 20:32:06 [Server] ERROR Be sure to include ALL relevant console errors and Minecraft crash reports 05.09 20:32:06 [Server] ERROR Spigot version: git-Spigot-0ede7d0-c88ae6b (MC: 1.13.1) 05.09 20:32:06 [Server] ERROR ------------------------------ 05.09 20:32:06 [Server] ERROR Server thread dump (Look for plugins here before reporting to Spigot!): 05.09 20:32:06 [Server] ERROR ------------------------------ 05.09 20:32:06 [Server] ERROR Current Thread: Server thread 05.09 20:32:06 [Server] ERROR PID: 18 | Suspended: false | Native: false | State: RUNNABLE 05.09 20:32:06 [Server] ERROR Stack: 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.IBlockData.s(SourceFile:321) 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.ChunkSection.b(SourceFile:38) 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.WorldServer.n_(WorldServer.java:551) 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.WorldServer.doTick(WorldServer.java:305) 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:952) 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:411) 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:831) 05.09 20:32:06 [Server] ERROR net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:729) 05.09 20:32:06 [Server] ERROR java.lang.Thread.run(Thread.java:745) 05.09 20:32:06 [Server] ERROR ------------------------------ 05.09 20:32:06 [Server] ERROR Entire Thread Dump: 05.09 20:32:06 [Server] ERROR ------------------------------ 05.09 20:32:06 [Server] ERROR Current Thread: Netty Epoll Server IO #3 05.09 20:32:06 [Server] ERROR PID: 36 | Suspended: false | Native: true | State: RUNNABLE 05.09 20:32:06 [Server] ERROR Stack: 05.09 20:32:06 [Server] ERROR io.netty.channel.epoll.Native.epollWait0(Native Method) 05.09 20:32:06 [Server] ERROR io.netty.channel.epoll.Native.epollWait(Native.java:114) 05.09 20:32:06 [Server] ERROR io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:239) 05.09 20:32:06 [Server] ERROR io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:256) 05.09 20:32:06 [Server] ERROR io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)