Let me share with you a few information about bank feeds, damjan.

You'll have to make sure to go to the Bank Feed Settings tab, then double-check if there are missing required fields that need the information to be entered. Usually, you'll see an asterisk (*) if you are required to enter information.  This way, you'll be able to set up credit card accounts without numbers. If the account is active, make sure to set it as active. 

For more information, you may want to read this article to know more about bank feeds: Get started with Bank Feeds for QuickBooks Desktop.

You'll want to browse these helpful articles if you have questions about QuickBooks.

Feel free to leave a comment if you need anything else about bank feeds. We'll always make sure to cater all your needs 24/7. Stay safe!