We are having T5240 server and it got panic reboot by below messages in console

 Hi experts,

We are having T5240 server and it got panic reboot by below messages in console. It is repeating continously.

Dec 25 05:44:15: Chassis |major   : "Dec 25 05:44:15 ERROR: Failed to send a fma event(rc=111) ereport.fm.ferg.invalid"
Dec 25 05:44:26: Chassis |major   : "Dec 25 05:44:26 ERROR: Failed to send a fma event(rc=111) ereport.cpu.ultraSPARC-T2plus.dac"
Dec 25 05:44:33: Chassis |major   : "Dec 25 05:44:33 ERROR: Failed to send a fma event(rc=111) ereport.cpu.ultraSPARC-T2plus.dce"

Before reboot got these below error messages in /var/adm/messages.

root@idmdev1 # cat /var/adm/messages
Dec 24 19:32:53 idmdev1 genunix: [ID 843051 kern.info] NOTICE: SUNW-MSG-ID: SUNOS-8000-0G, TYPE: Error, VER: 1, SEVERITY: Major