[Server thread/WARN]: Can't keep up! Is the server overloaded?

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    Hi

    Everytime my friend joins, this comes up and we disconnect after some minutes. I have no scripts or mods installed. Just regular world.

    Do you guys know whats wrong? It has been working for some days but now we disconnect.

    [21:33:18] [Server thread/INFO]: Beezymommyoftwo joined the game
    143 [21:33:41] [Server thread/ERROR]: Encountered an unexpected exception
    144 m: Exception ticking world
    145 at net.minecraft.server.MinecraftServer.b(SourceFile:828) ~[minecraft_server.jar:?]
    146 at ui.b(SourceFile:343) ~[minecraft_server.jar:?]
    147 at net.minecraft.server.MinecraftServer.a(SourceFile:763) ~[minecraft_server.jar:?]
    148 at net.minecraft.server.MinecraftServer.run(SourceFile:631) [minecraft_server.jar:?]
    149 at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
    150 Caused by: java.util.ConcurrentModificationException
    151 at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445) ~[?:1.8.0_202]
    152 at java.util.HashMap$KeyIterator.next(HashMap.java:1469) ~[?:1.8.0_202]
    153 at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042) ~[?:1.8.0_202]
    154 at axf.y(SourceFile:259) ~[minecraft_server.jar:?]
    155 at axf.o(SourceFile:389) ~[minecraft_server.jar:?]
    156 at axh.a(SourceFile:72) ~[minecraft_server.jar:?]
    157 at vi.a(SourceFile:325) ~[minecraft_server.jar:?]
    158 at net.minecraft.server.MinecraftServer.b(SourceFile:824) ~[minecraft_server.jar:?]
    159 ... 4 more
    160 [21:33:41] [Server thread/ERROR]: This crash report has been saved to: /aternos/server/./crash-reports/crash-2019-07-14_21.33.41-server.txt

  • Roman

    Closed the thread.