I got trouble.
I added following function to add custom oEmbed providers.
This worked on localhost, but didn’t work on wpmudev hosting.
I tried to debug this issue, but I have no idea now. So, would you investigate whether wpmudev hosting feature cause this issue or not?
I gave support access, and you can check related code in
wp_oembed_add_provider is written in /wp-content/themes/eduvlogs/public/class-theme-public.php