My server is invisible in the fivem browser

Hello, so here for 3-4 days following the reinstallation of our server on a new server it no longer appears in the FIVEM browser.

sv_master1 “” and yet comment well.

With the old server we were clearly visible.
But is our problem due to the fact that we needed a new license? because the old one does not work?

Or the problem come from elsewhere?

I would like someone to give me an answer / solutions to this problem.

small precision managed to get connected using F8 connect

Thanking you in advance