Thanks for sharing your concern here in the Community, @mattlward. We'll point you in the right direction towards resolving the issue of being unable to charge late fees in QuickBooks Online Accountant (QBOA).
I can see that you've been dealing with this issue for some time now. We recognize your concern about the error occurring when trying to charge the late fee. Please know that our team is actively investigating the matter to find a resolution. This is not the experience we want you to have while using our program.
While I'm aware you've already contacted, we currently do not have any updates at the moment. We appreciate your patience and recommend keeping an eye on your email for any future updates.
Once, its fix you can check this handy reference to help you manage to apply retail delivery charges and late fees to overdue invoices on the platform in QBO:
Thank you for your patience while we work on this. If you have any questions about managing your late fee with QuickBooks, feel free to post here. The Community is available to help you. Have a great rest of the week!
