How do I correct settings in journal entry when it won't tab through to next line?

Let me provide information about this matter, Adam.

At this time, we have a new investigation about the tab key in journal entry don't proceed to the next line. Thus, I encourage contacting our Support team so they can add you to the list of the affected users to be notified once the issue is resolved. 

Here's how:

1. Go to the Help menu and select the Search tab.
2. Then, click Contact Us.
3. Then, enter a brief description of your concern and select Continue.
4. Lastly, choose either Start a Chat or Get a Callback to start connecting with them.

As a workaround, let's manually click each line when entering details. 

If you want to run a journal report and other financial reports check out this article for future reference: Run reports in QuickBooks Online.

If you need any additional help handling journal entries click the Reply button and I'll get back to you as soon as possible to offer more assistance.