It took about two hours. I'm on quickbooks advanced version. In the CUSTOMER and its Notes on the bar next to the Customer Details.  It had completely gone. I used the help assistant online chat from in the account which then put me onto first level then they referred me to level 1 who looked and then referred me to level 2, nice lady called Joana who knew exactly what I was looking for and she escalated it to top level and they needed to be added as a user so they could log into my account. Within 10 minutes it was all back again.