ERR_BLOCKED_BY_CLIENT means something on your browser, like an extension, is...

https://meet-wiki.win/index.php/Does_Incognito_Mode_Help_Diagnose_a_Blocked_Page%3F

ERR_BLOCKED_BY_CLIENT means something on your browser, like an extension, is stopping a webpage from loading. To fix it, try opening the page in private mode to see if it works. If it does, check your extensions and turn off any that might block content