Hello there, Ben.
Thank you for bringing this to our attention. The error you encountering may be caused by browser instability or data overloaded, which often results in outdated windows or partially loaded pages.
To address this issue effectively and ensure your estimate can be sent without errors, let's go through a few troubleshooting steps:
- Refresh the current page (Ctrl + R for Windows or Command + R)
- Sign out to your QuickBooks account, then sign back in.
- Try using a different supported browsers.
- Use a private or incognito window:
- Google Chrome: Ctrl + Shift + N
- Mozilla Firefox: Ctrl + Shift + P
- Microsoft Edge: Ctrl + Shift + N
- Safari: Command + Shift + N
Once done, sign back into your account and check if you can send an estimate as expected.
Feel free to reply to this post if you need further assistance.