I understand the impact of any delay in resolving this ongoing connectivity error with your bank.
As of this moment, our Product Engineers are still working on releasing a permanent resolution about this concern.
In the meantime, let’s try performing the troubleshooting steps below to ensure you’re able to complete your work.
For more detailed information, you may refer to this link: Fix Banking Error 324.
On the other hand, the next update about this error is scheduled on June 26, 2019. I’d recommend refreshing your bank’s connection with QuickBooks.
To update your bank manually:
On the other hand, you may check this article: How to use automatic and manual online banking updates.
Also, I have these articles to learn more:
Let me know if you have other questions. I’m always here to help.