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You should only enter a K-1 as a K-1 because the partnership or S Corporation has already filed the details of the business activities in its own return.  The K-1 is the summary of your share of those activities.

You need to delete your entries in the "business section" and enter the K-1 with the step-by-step interview.   I'm assuming you used a Schedule C to enter your "business section" information so you can delete that by following these steps in TurboTax Online:

1. Within your return in TurboTax Online search for Schedule C.
2. Click the Jump to link in the search results.
3. If you get to a self-employment summary screen, delete the self-employment income line with the trash can icon.
4. If you get to the question Did you have any self-employment income or expenses? answer No. 
5. Click on Tax Tools on the left side of the screen.
6. Click on Delete a Form. 
7. Scroll down to your Schedule C and Schedule SE and click Delete if they are still there.