This response from QB is flawed. This is not our problem and it's not Fidelity's problem. Fix it just like you had to a few months ago:

Dear Valued Customer, 

Thank you for your patience while our online banking team investigated the behavior you reported. 

After investigating, our team has determined that if you’re still seeing this error message (101 or 355), it is prompting action on your part. Please read this articlefor further instructions on how to resolve it. 

Thank you for using QuickBooks Online. 

The QuickBooks Online Support Team