Server crashes after 2nd player joins up

[Edvinauskas]

Quote

Description: Exception in server tick loop

java.lang.ArrayIndexOutOfBoundsException: -1
    at java.util.ArrayList.elementData(ArrayList.java:400)
    at java.util.ArrayList.get(ArrayList.java:413)
    at net.minecraft.server.management.ServerConfigurationManager.func_72374_b(ServerConfigurationManager.java:1125)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:918)
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:781)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:663)
    at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)

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-- System Details --
Details:
    Minecraft Version: 1.6.4
    Operating System: Linux (amd64) version 2.6.32-042stab108.5
    Java Version: 1.7.0_79, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 3426364016 bytes (3267 MB) / 4117757952 bytes (3927 MB) up to 4117757952 bytes (3927 MB)
    JVM Flags: 2 total; -Xmx4024M -Xms4024M
    AABB Pool Size: 1933 (108248 bytes; 0 MB) allocated, 1017 (56952 bytes; 0 MB) used
    Suspicious classes: FML and Forge are installed
    IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
    CraftBukkit Information:
   Running: MCPC+ version git-MCPC-Plus-jenkins-MCPC-Plus-164-229 (MC: 1.6.4) (Implementing API version 1.6.4-R2.1-SNAPSHOT) false
   Plugins: { vAuth v0.1.4 me.triggjo2.vAuth.Main [triggjo2],}
   Warnings: DEFAULT
  
    TConstruct Environment: Environment is NOT clean! THIS CRASH MUST NOT BE REPORTED TO A MOD AUTHOR; however, please report it to your modpack creator(s).
Unsupported mods: bukkit
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: 5553 (310968 bytes; 0 MB) allocated, 4684 (262304 bytes; 0 MB) used
    Player Count: 2 / 20; [GCCorePlayerMP['DeivisGod'/651, l='world', x=-44.97, y=64.00, z=-1.88](DeivisGod at -44.96946265626034,64.0,-1.8815662211841855), GCCorePlayerMP['Edvinauskas'/883, l='world', x=0.00, y=64.00, z=0.00](Edvinauskas at 0.0,64.0,0.0)]
    Is Modded: Definitely; Server brand changed to 'mcpc,craftbukkit,fml,forge'
    Type: Dedicated Server (map_server.txt)

What to do?

Edited July 11, 2016 by Edvinauskas

[JaariAtmc]

2 hours ago, Edvinauskas said:

What to do?

Plugins: { vAuth v0.1.4 me.triggjo2.vAuth.Main [triggjo2],}

Plugin only useful for cracked servers. We do not support cracked servers here. Bye.