Because you received a 1042-S I assume that you are non a US citizen and did not live in the US in 2019. From a US tax perspective that makes you a non-resident alien. (Odd language I know).
Turbotax cannot handle non-resident alien tax returns. (A Form 1040NR.) This have a partner who does offer that service. See
https://ttlc.intuit.com/community/state-taxes/discussion/turbotax-cannot-prepare-form-1040nr-or-1040...
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