Yes and Yes! This has been discussed at length here, it's due to Ancestry carrying out maintenance / server upgrades. The say it should be finished by the end of the month, and claim that everything will then be wonderful! (;-) See the discussion currently just below yours: https://www.ancestry.co.uk/boards/topics.software.famtreemak...
Actually, if you read the message on an amber alert (not a red one, they are still the standard "sync disabled" message), you'll see that they've expanded it to explain the situation more fully and to provide a link for more details, as in the attached screenshot I took just now.
Actually, if you read the message on an amber alert (not a red one, they are still the standard "sync disabled" message), you'll see that they've expanded it to explain the situation more fully and to provide a link for more details, as in the attached screenshot I took just now.