Failcnt Error #422: Cannot Initialize Connection To Remote Host

my site is working fine for somedays and suddenly its stoped and hanged and also my PPP is not working , and file manager in PPP its give me this error
VZAgent returns error #422: "Cannot initialize connection to remote host"
and the suppord admin said I have problem in failcnt

[root@server ~]# cat /proc/user_beancounters
Version: 2.5
uid resource held maxheld barrier limit failcnt
1592: kmemsize 18353610 18355203 65536000 65536000 0
lockedpages 0 0 256 256 0
privvmpages 166455 171964 262144 262144 119810
shmpages 4885 4885 131072 131072 0
dummy 0 0 2147483647 2147483647 0
numproc 150 150 600 600 0
physpages 101554 108439 0 2147483647 0
vmguarpages 0 0 196608 196608 0
oomguarpages 101554 108439 196608 196608 0
numtcpsock 141 141 600 600 0
numflock 7 8 300 330 0
numpty 1 1 16 16 0
numsiginfo 0 1 384 384 0
tcpsndbuf 2350036 2625064 32768000 36864000 0
tcprcvbuf 2310144 2129920 32768000 36864000 0
othersockbuf 32976 573000 32768000 36864000 0
dgramrcvbuf 0 4284 1024000 1024000 0
numothersock 32 32 600 600 0
dcachesize 642510 653661 8192000 8192000 0
numfile 2636 2663 20000 20000 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 228 228 700 700 0

I want to know what is my ram site and why that all errors?