Crash problem z serwerem

Mam problem z kickowaniem serwa, charhuje mi go i na konsolce pisze ze w chrashlogu jest coś
i tam pisze takie coś: ---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 15.01.21 23:10
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
at net.minecraft.server.v1_8_R3.NBTTagCompound.a(SourceFile:406)
at net.minecraft.server.v1_8_R3.NBTTagCompound.load(SourceFile:70)
at net.minecraft.server.v1_8_R3.NBTTagCompound.a(SourceFile:406)
at net.minecraft.server.v1_8_R3.NBTTagCompound.load(SourceFile:70)
at net.minecraft.server.v1_8_R3.NBTTagCompound.a(SourceFile:406)
at net.minecraft.server.v1_8_R3.NBTTagCompound.load(SourceFile:70)
at net.minecraft.server.v1_8_R3.NBTCompressedStreamTools.a(SourceFile:106)
at net.minecraft.server.v1_8_R3.NBTCompressedStreamTools.a(SourceFile:71)
at net.minecraft.server.v1_8_R3.NBTCompressedStreamTools.a(SourceFile:67)
at net.minecraft.server.v1_8_R3.ChunkRegionLoader.loadChunk(ChunkRegionLoader.java:68)
at org.bukkit.craftbukkit.v1_8_R3.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:25)
at org.bukkit.craftbukkit.v1_8_R3.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:1)
at org.bukkit.craftbukkit.v1_8_R3.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:336)
at org.bukkit.craftbukkit.v1_8_R3.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295)
at org.bukkit.craftbukkit.v1_8_R3.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:16)
at net.minecraft.server.v1_8_R3.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:115)
at net.minecraft.server.v1_8_R3.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:97)
at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:361)
at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:325)
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:235)
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:504)
at java.lang.Thread.run(Thread.java:748)

A detailed walkthrough of the error, its code path and all known details is as follows:

– System Details –
Details:
Minecraft Version: 1.8.8
Operating System: Linux (amd64) version 4.9.0-11-amd64
Java Version: 1.8.0_232, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 926291224 bytes (883 MB) / 1090519040 bytes (1040 MB) up to 1908932608 bytes (1820 MB)
JVM Flags: 8 total; -Xmx2048m -XX:+OptimizeStringConcat -XX:+CMSClassUnloadingEnabled -XX:+DisableExplicitGC -XX:+UseNUMA -XX:+UseCodeCacheFlushing -XX:+TieredCompilation -XX:+UseBiasedLocking
IntCache: cache: 17, tcache: 0, allocated: 12, tallocated: 94
CraftBukkit Information:
Running: CraftBukkit version git-Bukkit-18fbb24 (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT) true
Plugins: { AntiCheat v1.0 de.engulfedleader.anticheat.Main [Engulfedleader2], WorldEdit v6.1;no_git_id com.sk89q.worldedit.bukkit.WorldEditPlugin [], PowerRanks v1.9.5 nl.svenar.PowerRanks.PowerRanks [svenar_nl], Skript v2.1.2 ch.njol.skript.Skript [Njol], Essentials v2.19.0-dev+51-e287600 com.earth2me.essentials.Essentials [Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans, Xeology, KHobbits, md_5, Iaccidentally, drtshock, vemacs, SupaHam, md678685], MultiCommand v2.2.1 de.homerbond005.multicommand.MultiCommand [HomerBond005], WorldGuard v6.1.3-SNAPSHOT;c904242 com.sk89q.worldguard.bukkit.WorldGuardPlugin [], AuthMe v5.4.0-b1877 fr.xephi.authme.AuthMe [Xephi, sgdc3, DNx5, timvisee, games647, ljacqu, Gnat008], GriefPrevention v16.16.0 me.ryanhamshire.GriefPrevention.GriefPrevention [],}
Warnings: DEFAULT
Reload Count: 0
Threads: { RUNNABLE Server console handler: [java.io.FileInputStream.readBytes(Native Method), java.io.FileInputStream.read(FileInputStream.java:255), java.io.BufferedInputStream.fill(BufferedInputStream.java:246), java.io.BufferedInputStream.read(BufferedInputStream.java:265), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:137), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:246), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:2145), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2349), net.minecraft.server.v1_8_R3.DedicatedServer$2.run(DedicatedServer.java:78)], WAITING NonBlockingInputStreamThread: [java.lang.Object.wait(Native Method), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.run(NonBlockingInputStream.java:278), java.lang.Thread.run(Thread.java:748)], RUNNABLE Netty Epoll Server IO #0: [io.netty.channel.epoll.Native.epollWait(Native Method), io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:194), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:219), io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116), java.lang.Thread.run(Thread.java:748)], RUNNABLE Signal Dispatcher: [], RUNNABLE Server thread: [java.lang.Thread.dumpThreads(Native Method), java.lang.Thread.getAllStackTraces(Thread.java:1610), org.bukkit.craftbukkit.v1_8_R3.CraftCrashReport.call(CraftCrashReport.java:29), net.minecraft.server.v1_8_R3.CrashReportSystemDetails.a(SourceFile:78), net.minecraft.server.v1_8_R3.CrashReport.h(CrashReport.java:127), net.minecraft.server.v1_8_R3.CrashReport.(CrashReport.java:34), net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:554), java.lang.Thread.run(Thread.java:748)], WAITING Thread-5: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77), org.bukkit.craftbukkit.v1_8_R3.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:25), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Keep-Alive-Timer: [java.lang.Thread.sleep(Native Method), sun.net.www.http.KeepAliveCache.run(KeepAliveCache.java:172), java.lang.Thread.run(Thread.java:748)], WAITING Snooper Timer: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Object.java:502), java.util.TimerThread.mainLoop(Timer.java:526), java.util.TimerThread.run(Timer.java:505)], TIMED_WAITING process reaper: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], RUNNABLE DestroyJavaVM: [], TIMED_WAITING Server Infinisleeper: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_8_R3.DedicatedServer$1.run(DedicatedServer.java:53)], WAITING Reference Handler: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Object.java:502), java.lang.ref.Reference.tryHandlePending(Reference.java:191), java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)], TIMED_WAITING Timer-0: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], WAITING Finalizer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165), java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:216)],}
Recent tasks from -31–1{}
Profiler Position: N/A (disabled)
Player Count: 0 / 20; []
Is Modded: Definitely; Server brand changed to ‘CraftBukkit’
Type: Dedicated Server (map_server.txt)

PROSZE POMÓŻCIE

Usuń świat.

a jakby coś z tego swiata usunąć, bo nie chce usuwać całego swiata

Świat się zepsuł po zmianie wersji na starszą, nie włączysz serwera bez jego usunięcia.