I can see the urgency of e-filing your 1099, erbrel.

As per the status of the investigation about the error you're getting, it is still in progress. 

I know it's been a while, but rest assured our engineers are prioritizing in resolving this issue to get you back on track as soon as possible. I suggest getting in touch with our Customer Care Team again and providing the ticket number INV-96793. They can add you to our notification list and keep you updated on the progress of the investigation.

To reach them, click the ? Help button at the top-right corner and select Contact Us to talk with a live agent. Ensure to review their support hours to know when agents are available.

Additionally, I'm including this article to help answer the most commonly asked questions about 1099s in QuickBooks: Get answers to your 1099 questions.

Thank you for your patience and understanding while we look into this further. If you have any further concerns, feel free to reach out. Have a great day.