Please look at the half-dozen plus posts today asking the same question. You are not alone, and there's really good reason why you can't efile today.
If a post answers your question, click on *Accept as solution* for future searches
For today, Bookmark this link:
"Production system Extended Maintenance Window
The MeF Production system will be unavailable due to scheduled maintenance from 7:00 a.m. Eastern time, October 17, 2020 through 7:00 a.m. Eastern time, October 18, 2020.
We apologize in advance for any inconvenience."
"Level Up" is a gaming function, not a real life function.