Error in /var/adm/messages

HI Team,

I am getting the below error in T5220 server. So please suggest to fix the issue

Sep 17 18:18:48 gujminsat sshd[25135]: [ID 800047 auth.crit] fatal: Write failed: Broken pipe
Sep 17 18:40:32 gujminsat sshd[5969]: [ID 800047 auth.crit] fatal: Write failed: Broken pipe
Sep 17 19:21:36 gujminsat sshd[28586]: [ID 800047 auth.crit] fatal: Write failed: Broken pipe
Sep 17 21:20:57 gujminsat sshd[24328]: [ID 800047 auth.crit] fatal: Write failed: Broken pipe
Sep 17 22:38:56 gujminsat genunix: [ID 603404 kern.notice] NOTICE: core_log: minsatapp[2923] core dumped: /var/core/core.minsatapp.2923
Sep 17 23:08:18 gujminsat genunix: [ID 603404 kern.notice] NOTICE: core_log: minsatapp[27799] core dumped: /var/core/core.minsatapp.27799

Regards
Deva