I appreciate you providing a detailed overview of the issue and the troubleshooting steps you've taken, Iryna. Let’s work together to identify a solution and get your invoices back on track.
To start, please activate the automatic late fees feature in QuickBooks Online instead of turning it off. Once done, create an invoice again to see if you can save it successfully.
If the problem continues, I recommend contacting our phone support team. They have the expertise and tools, like screen sharing, to assist you in troubleshooting further:
- Sign in to your QuickBooks Online account.
- Click on (?) Help.
- Use the Search tab to look for keywords or topics that interest you.
- Click on Contact Us to connect with an expert who can assist you. Please note that you must enter a question or search for an article before the Contact Us option becomes visible.
You can check out this article to learn how and when to contact them: Get help with QuickBooks products and services.
You can also check out these articles to learn how to charge different late fees and send invoice reminders:
Furthermore, you might want to schedule a free consultation with our QuickBooks Live Expert Assisted. They can provide valuable tips and guidance on managing your QuickBooks Online account.
If you ever have more questions or run into any issues, don’t hesitate to reach out, Iryna. Our team is just a click or call away, ready to help you tackle any challenges that come your way.