[PHX] EMU Exception Errors!

[Airz]

28/05/2013 01:45:29: Error: System.NullReferenceException: Object reference not set to an instance of an object.
   at ns0.Class111.imethod_0(Class122 class122_0, Class256 class256_0)
   at ns0.Class122.method_13(Byte[]& byte_0)

28/05/2013 01:45:29: Error: System.FormatException: Input string was not in a correct format.
   at System.Number.ParseDouble(String value, NumberStyles options, NumberFormatInfo numfmt)
   at System.Convert.ToDouble(String value)
   at ns0.Class284..ctor(UInt32 uint_1, String string_4, String string_5, String string_6, String string_7)
   at ns0.Class27.method_0(Class257 class257_0)
   at ns0.Class185.method_12()
   at ns0.Class64.imethod_0(Class122 class122_0, Class256 class256_0)
   at ns0.Class122.method_13(Byte[]& byte_0)

Two exception errors i'm getting, also it doesn't let specific users log in including myself and it comes up with the error whenever I try, started off with my account being I accepted a friend request..
Thanks