If my 484 says Loading-Please wait, am I close to getting login done?

Sorry if this is "nooby." But I haven't done login before.

Base: Hyperion

Giving this exception:
Code:
java.lang.RuntimeException: gpp1 pos:9 psize:59
        at EntityUpdate.updatePlayers(EntityUpdate.java:343)
        at OpcodeHandler.parseIncommingOpcodes(OpcodeHandler.java:549)
        at Class86.method1338(Class86.java:44)
        at client.method25(client.java:899)
        at Screen.method23(Screen.java:510)
        at Screen.run(Screen.java:204)
        at java.lang.Thread.run(Unknown Source)