Welcome, I have a problem.
My server is crashing and I don't know why.
Can someone more experienced look at this and tell me why it is crashing?
> [15:44:08 ERROR]: Encountered an unexpected exception
net.minecraft.server.v1_13_R1.ReportedException: Exception ticking world
at net.minecraft.server.v1_13_R1.MinecraftServer.w(MinecraftServer.java:951) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.DedicatedServer.w(DedicatedServer.java:411) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.MinecraftServer.v(MinecraftServer.java:819) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.MinecraftServer.run(MinecraftServer.java:717) [minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: java.lang.NullPointerException
at net.minecraft.server.v1_13_R1.ChunkTaskScheduler.lambda$4(ChunkTaskScheduler.java:91) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_222]
at net.minecraft.server.v1_13_R1.ChunkTaskScheduler.a(ChunkTaskScheduler.java:88) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.ChunkProviderServer.unloadChunks(ChunkProviderServer.java:322) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.WorldServer.doTick(WorldServer.java:286) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.MinecraftServer.w(MinecraftServer.java:940) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
... 4 more
> [15:44:08 ERROR]: Cause of unexpected exception was
java.lang.NullPointerException: null
at net.minecraft.server.v1_13_R1.ChunkTaskScheduler.lambda$4(ChunkTaskScheduler.java:91) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_222]
at net.minecraft.server.v1_13_R1.ChunkTaskScheduler.a(ChunkTaskScheduler.java:88) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.ChunkProviderServer.unloadChunks(ChunkProviderServer.java:322) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.WorldServer.doTick(WorldServer.java:286) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.MinecraftServer.w(MinecraftServer.java:940) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.DedicatedServer.w(DedicatedServer.java:411) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.MinecraftServer.v(MinecraftServer.java:819) ~[minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at net.minecraft.server.v1_13_R1.MinecraftServer.run(MinecraftServer.java:717) [minecraft_server.jar:git-Spigot-fe3ab0d-3418f8d]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
> [15:44:08 ERROR]: This crash report has been saved to: /aternos/server/./crash-reports/crash-2019-11-20_15.44.08-server.txt
Thanks a lot 