WSASend() failed with error in SendT 10055

I got this errors when client try to connect to my server
WSASend() failed with error in SendT 10055: 0 2006-08-09 23:22:07
WSARecv() failed with error in IOCPT 10038 2006-08-09 23:22:09
What it means?

Server version: Legacy Gamers
Client Version: 2.15a

Never had it... or I would help :)

same problem, please help . I have this error code in JoinServer's log file