some have said using a different browser like Chrome works.
as an alternative, you could enter summary totals, but then you would be required to mail the 1099-B with Form 8453 to the IRS following the instructions on the form.
if all you transactions are type A and /or D with no adjustments, you could enter summary totals on schedule 1a and/or 8a. no details need to be provided to the IRS in this case.
A and D are when proceeds and basis are provided to the IRS.
