[Fix] SharePoint: This embed code doesnt seem to work. We only support iframe based embeds

If you are trying to embed an HTML code into your SharePoint page using the embed web part and you get an error:

Well, as the error says, you can only embed the iframe of a source URL and not HTML code.

Example of iframe embed.

<iframe src="https://code2care.org/sharepoint/show-videos-on-sharepoint-page" width=300 height=300>