Opcode Handler CMSG_WARDEN_DATA Error

[jaxx56]

Opcode handler CMSG_WARDEN_DATA:CMSG_WARDEN_DATA caused an error:
System.NullReferenceException: Object reference not set to an instance of an obj
ect.
at mangosVB.WorldServer.WS_Warden.WardenMaiev.GenerateNewRC4Keys(Byte[] K) in
C:\Users\Krill\Desktop\MVB\src\Server\WorldServer\Warden\WS.Warden.vb:line 575
at mangosVB.WorldServer.WS_Handlers_Warden.On_CMSG_WARDEN_DATA(PacketClass& p
acket, ClientClass& client) in C:\Users\Krill\Desktop\MVB\src\Server\WorldServer
\Handlers\WS.Handlers.Warden.vb:line 59
at mangosVB.WorldServer.WS_Network.ClientClass.OnPacket(Object state) in C:\U
sers\Krill\Desktop\MVB\src\Server\WorldServer\Server\WS.Network.vb:line 391