Problem Server Spawn

[_Gila_]

Hi i am a server owner. my server is ftb ultimate. everytime i go to spawn to build on to it i get major lag and also kick from the game with this message: Internal exception: java.net:SocketException: Connection reset ....
also the client console it says this

2013-06-15 23:57:33 [INFO] [STDERR] java.net.SocketException: Connection reset
2013-06-15 23:57:33 [INFO] [STDERR] at java.net.SocketInputStream.read(Unknown Source)
2013-06-15 23:57:33 [INFO] [STDERR] at java.net.SocketInputStream.read(Unknown Source)
2013-06-15 23:57:33 [INFO] [STDERR] at java.io.FilterInputStream.read(Unknown Source)
2013-06-15 23:57:33 [INFO] [STDERR] at org.bouncycastle.crypto.io.CipherInputStream.nextChunk(Unknown Source)
2013-06-15 23:57:33 [INFO] [STDERR] at org.bouncycastle.crypto.io.CipherInputStream.read(Unknown Source)
2013-06-15 23:57:33 [INFO] [STDERR] at java.io.DataInputStream.readFully(Unknown Source)
2013-06-15 23:57:33 [INFO] [STDERR] at java.io.DataInputStream.readFully(Unknown Source)
2013-06-15 23:57:33 [INFO] [STDERR] at di.a(SourceFile:44)
2013-06-15 23:57:33 [INFO] [STDERR] at com.mumfrey.liteloader.core.HookPluginChannels.a(HookPluginChannels.java:81)
2013-06-15 23:57:33 [INFO] [STDERR] at ef.a(Packet.java:166)
2013-06-15 23:57:33 [INFO] [STDERR] at cg.i(TcpConnection.java:324)
2013-06-15 23:57:33 [INFO] [STDERR] at cg.c(TcpConnection.java:544)
2013-06-15 23:57:33 [INFO] [STDERR] at ch.run(SourceFile:93)

i have no clue what it means... well obviously... Please help me!

 

[DZCreeper]

Looks like Liteloader is derping, try removing it and all the Voxel mods. If you need an minimap still, here is Rei's: http://www.minecraftforum.net/topic/482147-152-may10-reis-minimap-v33-06/

 

[_Gila_]

this is only happening at spawn tho... if it was a mod y isnt it happening everywhere on the map?