Unable to import CSV, "Sent Quantity should be a positive number."

Having an issue here, there isn’t a great explanation when the numbers are positive? Any insights? The row + context in question:

File import failed. Row 31 - Sent Quantity should be a positive number.

Date,Received Quantity,Received Currency,Sent Quantity,Sent Currency,Fee Amount,Fee Currency,Tag
29: 2021-01-15 15:56:35,82.70,USD,0.073988,ETH,
30: 2021-01-15 15:56:36,0.00,USD,1.18,USD,
31: 2021-01-15 16:03:18,1.10,USD,USD,
32: 2021-01-16 10:47:03,0.02,USD,staked
33: 2021-01-16 10:47:40,0.000000,BTC,staked