Thanks for joining this thread, 1142.

There may be accounts that weren't saved when creating the transaction reason why you're getting the error. Let's review the invoice transaction and make sure you enter the complete information.

If the error persists, I recommend performing some basic troubleshooting steps. Let's start by opening your QuickBooks account in incognito/private mode to check if it caused by a browser.

Here are the keyboard shortcuts to open a private browser: 

• Google Chrome: press Ctrl+Shift+N 
• Mozilla Firefox: press Ctrl+Shift+P 
• Internet Explorer: press Ctrl+Shift+P 
• Safari: press Command+Shift+N

If it works fine with a private browser, I suggest clearing your browser's cache to start fresh. Otherwise, try using other supported browser.

Keep in touch if there's anything I can help you with aside from this. I'm always around to provide further assistance.