Gnucash Finance::Quote error

./gnc-fq-dump -v Alphavantage MSFT
Finance::Quote fields Gnucash uses:
    symbol: MSFT (deduced)       <=== required
      date: ** missing **        <=== recommended
  currency: ** missing **        <=== required
      last:                      <=\
       nav:                      <=== one of these
     price:                      <=/
  timezone:                      <=== optional

** This stock quote cannot be used by GnuCash!


All fields returned by Finance::Quote for stock MSFT

stock           field  value
-----           -----  -----
MSFT         errormsg: Internal Server Error
MSFT             last: **missing**
MSFT              nav: **missing**
MSFT            price: **missing**
MSFT          success: 0