Thank you for posting here, @Rovira.

That’s unusual behavior when pulling up reports in QuickBooks Online (QBO). Also, I appreciate you for laying out the things you’ve taken so far to rectify this matter.

Since you’re done with the basic troubleshooting steps, I recommend contacting our Technical Support Team. Doing so will enable them to double-check your account to determine the leading cause of the issue. They also have the tools to do that and initiate a further investigation, if necessary, securely.

You can get in touch with our live support via chat. Please refer to this article and follow the on-screen instructions to proceed. Chat with us. Moreover, you may reach out to them from Monday-Friday 0:00 am-11:59 pm GMT.

Furthermore, learn to customise your report to see the data that matter the most: Customise reports in QuickBooks Online.

Keep in touch if you are concerned about pulling up accounts in COA. I’m just a few clicks away. Have a good one!