Suddenly twittercards didn’t work anymore on my website and the one of my partner. Testing them with the card validator ended up with the message ‘ERROR: Failed to fetch page due to: ChannelClosed’
There was no update for wordpress or other plugins before the error occured. Nothing changed really and especially not on both sites at the same time.
I searched for the problem, but the few entries I found showed no solution for this problem and I even don’t know where to look for since nothing changed in the days before the error occured.
Does somebody even know what this ‘ChannelClosed’ means?