[Help] Disconnected from login server

Here's a snapshot of what happens when I try to connect to my server

Attachment 125586

Oh, and here is what I get in my command prompt.
Attachment 125588

Quote:

Listening on port 8484[INFO] Loading skills..
[INFO] Finished loading 533 skills. It took 2368 ms.
Channel 1: Listening on port 7575
World: 0 Channel: 1 is online.
Channel 2: Listening on port 7576
World: 0 Channel: 2 is online.
Channel 3: Listening on port 7577
World: 0 Channel: 3 is online.
IoSession with [IP Address Withheld] opened.
null caught an exception: org.apache.mina.filter.codec.ProtocolDecoderException:
java.lang.IllegalStateException: Cipher not initialized (Hexdump: 29 9A 2B 9A 8
0 12)
org.apache.mina.filter.codec.ProtocolDecoderException: java.lang.IllegalStateExc
eption: Cipher not initialized (Hexdump: 29 9A 2B 9A 80 12)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(Prot
ocolCodecFilter.java:227)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessage
Received(DefaultIoFilterChain.java:429)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(Def
aultIoFilterChain.java:51)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.mes
sageReceived(DefaultIoFilterChain.java:812)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFi
lterAdapter.java:119)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessage
Received(DefaultIoFilterChain.java:429)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageRece
ived(DefaultIoFilterChain.java:416)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(Abstract
PollingIoProcessor.java:638)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(Abstr
actPollingIoProcessor.java:598)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(Abstr
actPollingIoProcessor.java:587)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(Ab
stractPollingIoProcessor.java:61)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run
(AbstractPollingIoProcessor.java:969)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnabl
e.java:64)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: Cipher not initialized
at javax.crypto.Cipher.checkCipherState(Cipher.java:1672)
at javax.crypto.Cipher.doFinal(Cipher.java:2079)
at tools.MapleAESOFB.crypt(MapleAESOFB.java:96)
at net.mina.MaplePacketDecoder.doDecode(MaplePacketDecoder.java:62)
at org.apache.mina.filter.codec.CumulativeProtocolDecoder.decode(Cumulat
iveProtocolDecoder.java:177)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(Prot
ocolCodecFilter.java:218)
... 15 more

Does anyone know how I can fix this?

Thanks!