Hi maher-auctionmon,
Thanks for reaching out here. Welcome! Several customers have reported the same behavior with their financial institution and QuickBooks Online. I encourage you to contact our Customer Care team outside of Community. They will have the ability to review your situation in more depth and escalate it for further investigation with our Development Team. They will also ensure you receive an email notification, when the issue has been resolved. In the interim, you can manually upload your transactions by following the steps in this helpful guide. Don't worry if the process seems a little overwhelming. A Customer Care agent will be happy to work with you in real time, and navigate you through the process to ensure you're back to business as soon as possible!
Schedule a Callback or start a Chat: click (?) Help in the upper right in QuickBooks Online > enter "Contact support" > hit Contact Us > provide a brief summary of your situation > hit Let's Talk > choose Get a callback or Start a Chat.
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If you have any other questions or concerns, please don't hesitate to reach back out. We would be glad to assist!