error appears when working fine

Experts,

I was working fine, without problem

but suddenly issues appears, ...and I don't know the resolucion for this logs:

log:

3348/3352 MAIN_THREAD                        Fri Dec 13 18:20:14.641000 Jdb_ctl.c4082
Starting OneWorld
3348/3352 MAIN_THREAD                        Fri Dec 13 18:21:31.910000 jdecsec.c2097
JDENET Error = eConnectionFailed
3348/3352 MAIN_THREAD                        Fri Dec 13 18:21:59.086000 jdecsec.c2597
Failed to communicate with security server: Unable to send message to Security Server
3348/3352 MAIN_THREAD                        Fri Dec 13 18:21:59.648000 jdecsec.c263
Failed to validate user JDE by password
3348/3352 MAIN_THREAD                        Fri Dec 13 18:21:59.648001 Jdb_ctl.c4698
JDB1100018 - Failed to get past Security check
3348/3352 MAIN_THREAD                        Fri Dec 13 18:22:00.490000 msc_signon.cpp222
ValidateUser failed from SignOn
3348/3352 MAIN_THREAD                        Fri Dec 13 18:24:03.268001 jdecsec.c2097