Please refresh your browser. If the error persists, you can try to relaunch the browser and try in incognito/private mode.
You can also try using a different device such as a personal mobile phone on a 4G/5G connection. Sometimes corporate devices or WiFi networks or VPNs will block traffic to new sites by default unless the business has explicitly whitelisted the VX website. Please contact firstname.lastname@example.org for more information about which addresses to whitelist.
If you have installed plugins for other conferencing applications, please disable those or close any ongoing video/voice calls in other applications.