Charges for TurboTax

I do not understand why my return was not free to process this year. I only have one W-2 ($7400 income) and one 1098-E for student loan interest. I was a full time student all year but my parent claims me on their taxes so the education income is claimed there. That's it, that's my whole return. I have absolutely nothing else to claim so why did I not qualify for the free form?

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