java.lang.NoSuchMethodError: net.minecraft.server.management.PlayerManager.<init>(Lnet/minecraft/world/WorldServer;I)V
        at net.minecraft.world.WorldServer.<init>(WorldServer.java:168) ~[mt.class:?]
        at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:375) ~[MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:337) ~[lt.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:643) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]