Yes, you should leave all fields blank, except where you actually have amounts showing on your 1095-A.
Is Column B for for SLCSP filled in? If not, you can go to the Health Coverage Tool to find it.
If you're using TurboTax Online, try deleting Form 1095-A, closing the program, clear your Cache and Cookies, and return to the 1095-A section to re-enter it.
Here's more info on How to Enter Form 1095-A.
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