message on discussion page of channel

So basically when I wanted to watch a youtube video today I got this error "This video is restricted. Try signing in with a Google Apps account" . I have no idea as I would get this error, and try loading the same video in opera and firefox and still got the same error. I then tried going onto...

Sorry if this was already covered in another thread... I'm a bit concerned about this as I've been doing it for a week or so and wondered if this could lead to getting flagged as a spammer by YT or by the very people I'm welcoming. I would appreciate any advice or suggestions on this...