AuthMe Reloaded error

[WARNING] Failed to handle packet: java.lang.NullPointerException
java.lang.NullPointerException
at net.minecraft.server.ServerConfigurationManager.attemptLogin(ServerConfigurationManager.java:209)
at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:102)
at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:94)
at net.minecraft.server.Packet1Login.handle(SourceFile:68)
at net.minecraft.server.NetworkManager.b(NetworkManager.java:246)
at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:42)
at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:65)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:451)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)