Please amend your JSONP frames content to match the feed content

Please can someone tell me why this popped up on my iMac? I didn’t know who to ask:

view manager 300x250 the feed view content text.heavy.module.2.passes.c.component does not match the JSONP text.and.image.module.ticket.reel.component frames content, please amend your JSONP frames content to match the feed content