as a self-employed person, the HO deduction is entered through Schedule C.
did you enter the exclusive use question - no. then no HO deduction
we can't see your entries
see this link
https://turbotax.intuit.com/tax-tips/small-business-taxes/the-home-office-deduction/L1RZyYxzv
you cannot take a home office deduction if it would cause your business to operate at a loss. You can deduct home office expenses up to your net income (revenues minus other expenses) and carry over the rest to the following year.
if these are not your situation contact support. you can grant permission for them to look at your return
