Getting this errorSomething’s not quite rightCannot read properties of null (reading 'getMonth')

I understand how time-consuming it must be to experience issues while working on your journal entry in QuickBooks Online (QBO), Yoshicar. No, worries, I'm here to help you resolve this matter as soon as possible.

First off, we need to ensure that you're logged in as the company admin of the correct and active QBO company file.

However, the inability to open your register might be due to a problem between your computer or device and the QBO server. Sometimes, QuickBooks may display unusual behavior or experience performance issues due to browser problems.

You can try logging in to your QBO account using a private browser as it ignores websites from using cookies and doesn’t record any history and data. Use these shortcut keys on your keyboard to access incognito mode:

• Safari: Control + Option + P
• Google Chrome: Press Ctrl + Shift + N
• Firefox or Internet Explorer: Ctrl + Shift + P

If this works, it means that you need to clear the browser's cache so the system can start fresh. If you get the same result, I recommend switching to a different supported browser.

I’ve also collected this link that you can utilize in reconciling your accounts effectively in the future: Reconcile an account in QuickBooks Online.

If you need further assistance managing your journal entry in your QuickBooks Online, don't hesitate to reach out. I'll be here to help. Stay safe.