Thanks for posting a question here in the Community, @tara4.
Allow me to share with you some insights on how you can successfully merge your two customers in QuickBooks Online (QBO).
First off, let's do a few troubleshooting steps to help get rid of this error (Unexpected error: -3000) so we can get you back to working order.
When QBO acts this way, it might be because of the cache. There are instances that the browser remembers previously accessed data, thus causing QBO to act strangely. Let's check if it's a data issue by signing in to your QuickBooks Online (QBO) account using a private browser. This way, your browser won't store data in the cache hence preventing issues like this.
Below are the shortcut keys that you can use to access a private browser:
- Google Chrome: Ctrl + Shift + N
- Internet Explorer: Ctrl + Shift + N
- Mozilla Firefox: Ctrl + Shift + N
- Safari: Command + Option + N
Once done, you can try merging your two customers again to see if it will work this time. Please refer to this article for the steps how: How can I mearge my two customers in QBO?.
If you got it to work, then the cache was probably the issue. In this case, you can clear your cache, then, you should be able to go through your normal workflow in a regular browser.
Also, make sure there aren't any projects linked to these customers so you won't have this error.
Furthermore,you'll want to know on how to customize your reports in QuickBooks Online. This way, you can personalize the details for your reports: How do I customize my reports in QBO?.
Get back here in the Community if you have more questions about merging your customers in QBO by leaving a comment below. I've got your back. Take care always and have a productive day, @tara4.
