[Hosting] WP_OEMBED_ADD_PROVIDER IS NOT WORKING ON WPMUDEV HOSTING

Hello Support.
I got trouble.

I added following function to add custom oEmbed providers.
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wp_oembed_add_provider( 'https://repl.it/@*/*', 'https://repl.it/data/oembed');
wp_oembed_add_provider( 'https://codepen.io/*/pen/*', 'https://codepen.io/api/oembed');
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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

King Regards,

KAZUKI KIKUCHI