I can't manage to link AMEX accounts to QB Online.Here is the error message:''Sorry, an unexpected error has occurred. We could not fetch your accounts from your bank''

Hello Caro Probot,

Welcome back to the QuickBooks Community. It's vital you're able to connect your bank and sync your transactions without getting errors. Rest assured, I'll be happy to point you in the right direction so you can get back to doing what you love. 

In case you're getting an error number, I recommend checking out the articles below that help you fix the errors in the program:

• Fix banking error 324
• Fix banking error 155
• Fix banking error 103
• Fix banking error 101
• Fix banking error 192
• Fix banking error 106
• Fix banking error 187
• Fix banking error 109
• Fix banking error 323

I also suggest clearing cache and cookies on your browser. This is a great way to clean your browser allowing it to work more efficiently. Here's a helpful article that shows you how to clear cache and cookies. 

In case this issue persists, I encourage you to contact our support team so they can assist you further with this. Here are our contact details: 

• Schedule a Callback or start a Chat: click (?) in the upper right in QuickBooks Online > enter "Contact support" > choose Contact Us > provide a brief summary > select Let's Talk > choose Get a callback or Start a Chat.
• Social Media: Facebook, Twitter, and Instagram.
• Support hours are from Monday to Friday between 9 a.m. and 8 p.m. ET.

Feel free to keep me posted on how you make out. I'll be one message away.