Thank you for your inputs, LS39 and TC CKD.

We’ve learned that the An invalid ID value was specified error can be overcome by the following workarounds:

• delete the information in the Category details
• enter a bill through a PO
• created a new item (Notes) that has no information and used the Services income account

For now, it's working, but it's a good idea to reach out to our QBO Support again for a more in-depth investigation. You can mention the basic troubleshooting steps, so they won’t let you do the same things again. The goal is to find a permanent fix for the problem.

If you have any other questions in mind, feel free to go back to this thread. I’ll be here to help you again.