What you have listed is not a dividend. It's a proceed from sale of rights that's listed under 1099-B as "Undetermined term transactions for noncovered tax lots...
I had the same issue for TCEHY entry that had the additional info in 1099 as proceeds from sale of rights. TurboTax was mandating to enter a cost basis as it wa...
Finally found a solution for this issue after lots of struggle. Do the federal review and go to fix error and when it shows the error, click on "Forms" on top o...