Hello Studio Blast,
Thanks for writing in! Did you added an embedded video code, a Youtube link or use the video element as a player? To better assist you with your issue, kindly provide us the URL of the page and access to your site so that we can check your settings. Please create a secure note with the following info:
– Link to your site
– WP login URL
– WP username
– WP password
– WP Administrator Role
To know how to create a secure note, please check this out: How The Forum Works
Meanwhile, it could also be caused by a plugin conflict, amongst other things. Please check out this troubleshooting article here and follow the instructions for the following sections (where appropriate):
- Testing for Plugin Conflict
- Child Theme
- CSS/JS Customization
- Disabling Cache
- Disabling CDN
Regards.