It is a software issue, but I can't find how to connect with TurboTax to ask that question w/o having to pay more money. I tried Firefox and Chrome with the same results.
The reason for your manual review is to make sure that each sale/transaction has the correct holding period since the date of purchase is shown as 'Various'. This is a common action when several items in one sale includes many items that were purchased on different dates. To review your sales one by one you can use the steps below. It's important for all long term holdings.
When 'Various' is used as the purchase date then TurboTax cannot know if the holding period should be long term or short term.
Open your TurboTax Online/Moblie return:
Open your return in TurboTax Desktop:
It's important so that you will have the special capital gains tax treatment for all long term transactions.