I have exactly the same problem. The plugin configuration does not show any sites.
I tried to delete all leftover files manually but still no luck.
There seems to be a part of MP or a plugin, which deletes the content in the online videos site list xml file.
I tried to delete all leftover files manually but still no luck.
There seems to be a part of MP or a plugin, which deletes the content in the online videos site list xml file.