Spectate console log

[13:51:42 INFO]: Sinuce issued server command: /spectate PLAYERNAMEHERE
[13:51:42 WARN]: Failed to handle packet for /127.0.0.1:41945
java.lang.NullPointerException
        at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:101) ~[spigot.jar:git-Spigot-1487]
        at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:425) ~[spigot.jar:git-Spigot-1487]
        at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406) ~[spigot.jar:git-Spigot-1487]
        at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:367) [spigot.jar:git-Spigot-1487]
        at org.apache.logging.log4j.core.Logger.log(Logger.java:110) [spigot.jar:git-Spigot-1487]
        at org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:609) [spigot.jar:git-Spigot-1487]
        at org.bukkit.craftbukkit.v1_7_R3.util.ForwardLogHandler.publish(ForwardLogHandler.java:33) ~[spigot.jar:git-Spigot-1487]
        at java.util.logging.Logger.log(Logger.java:616) ~[?:1.7.0_60]
        at java.util.logging.Logger.doLog(Logger.java:641) ~[?:1.7.0_60]
        at java.util.logging.Logger.log(Logger.java:730) ~[?:1.7.0_60]
        at net.minecraft.server.v1_7_R3.PlayerConnection.handleCommand(PlayerConnection.java:1005) ~[spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java:830) ~[spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.PacketPlayInChat.a(PacketPlayInChat.java:28) ~[spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.PacketPlayInChat.handle(PacketPlayInChat.java:65) ~[spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:180) ~[spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.ServerConnection.c(ServerConnection.java:81) [spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:720) [spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:283) [spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:583) [spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:489) [spigot.jar:git-Spigot-1487]
        at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [spigot.jar:git-Spigot-1487]
[13:51:42 INFO]: Sinuce lost connection: Internal server error