Why can't I import Vanguard Mutual Fund 1099's?

I have been trying for two weeks to import from Vanguard Group - Mutual Fund Accounts 

I am  NOT referring to Vanguard Brokerage accounts, these  imported correctly.

 

Each time I attempt to import the forms, the date changes in the message below:

 

Vanguard Group - Mutual Fund Accounts is under maintenance until 2/5/2024 at 1:00:00 PM

Try again later. (105)

 

I did try uploading the forms from my computer but they are not importing correctly, its interpreting the account number as a distribution amount.