java.lang.Error: Unresolved compilation problem:

	at com.rs.game.player.content.pet.PetManager.setPlayer(PetManager.java:423)
	at com.rs.game.player.Player.init(Player.java:495)
	at com.rs.net.decoders.LoginPacketsDecoder.decodeWorldLogin(LoginPacketsDecoder.java:239)
	at com.rs.net.decoders.LoginPacketsDecoder.decode(LoginPacketsDecoder.java:32)
	at com.rs.net.ServerChannelHandler.messageReceived(ServerChannelHandler.java:96)
	at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:100)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274)
	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261)
	at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:351)
	at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:282)
	at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:202)
	at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
	at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)