Component not connected,

hi
my sub domain is video.alpes.tv in secure domain , debian 10 , jvb 2 , prosody 11.5

after all update and tips and tricks, i still have this, every minutes in prosody log

Apr 02 12:57:42 jitsi-videobridge.video.alpes.tv:component      warn    Component not connected, bouncing error for: <iq from='focus@auth.video.alpes.tv/focus4410604895359' type='get' id='Zj4Rs-86
65' to='jitsi-videobridge.video.alpes.tv'>

any idea ?