Good day, @cwtchyclun. We're delighted to have you here today.
I'd be glad to share some we could use to process your invoices in QuickBooks.
Before digging deeper into your concern, can you tell us the exact error message you're getting when saving your invoices? This way, we can check here on our system for possible investigation. In the meantime, we recommend performing some basic browser troubleshooting to rule out the possibility of having issues with your current web browser. You'll want to access your account in an incognito or private browser. Use these shortcut keys:
Once done, try saving again your invoices. If it works and you're able to get through, you can proceed to clear your browser's cache. Refer to this article for the steps: Clear cache and cookies to fix issues when using QuickBooks Online.
We also recommend utilizing other compatible browsers if the issue persists. Refer to this article to see the list of compatible browsers in QuickBooks Online: Other browsers.
Moreover, you can check these articles to help you managing and personalizing your sales forms inside QBO:
The Community space is open 24/7 if you need further assistance with recording your sales transactions inside QuickBooks. As always, we'll be around to help you out. Keep safe.
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