It may be helpful to note that Google has acknowledged they are working on similar issues (the description is vague!) with an ETTR of 1900 EST:

https://www.google.com/appsstatus#hl=en&v=issue&sid=1&iid=a8...

On the other hand, their status dashboard reported similar issues yesterday and here we are again: https://www.google.com/appsstatus#hl=en&v=status