[Freeswitch-users] [ERR] sofia_reg.c:2110 "some gateway" Registration Failed with status Unauthorized [401]. failure #37

Hi All, I've recently upgraded freeswitch to this version: FreeSWITCH Version 1.2.23+git~20140317T213443Z~769a03a629~64bit (git 769a03a 2014-03-17 21:34:43Z 64bit) but now i keep getting this error: [ERR] sofia_reg.c:2110 "some gateway" Registration Failed with status Unauthorized [401]. failure #37 I've to restart the gateway each time i get this error. is this a known issue in this version? what could cause this error? Thanks, Snabel Kaabiya