Hello dear @murrrchik.
Thank you for contacting with us and for saying us about your problem. Please make sure that you are copying right URL for video. Maybe you forgot the http or https part of the URL. So if you will try it let us to know any news. And if you done this steps and again nothing shows please share the URL for video and our team will check it.
Thank You.
Thank You for your response. I have reinstalled your plugin and removed some other plugins which I didn’t use and now uploading process works well. Thank You for your good plugin.
Thank You for using our plugin. And we are happy that plugin works now. If you will have some other questions on future, please feel free to ask it us.
Thank You.