Two different issues are discussed in this thread, and each requires a different solution.
If the issue is related to "Sch K Box 17 Code V", you resolve that issue by entering the Code V in Box 17 with no amounts while you are entering the K-1 into TurboTax, and then Continue through the interview until you find the screen "We need some more information about your 199A income or loss". That screen is where you enter the Code V amounts from the Statement A that came with your K-1. This "We need some more information about your 199A income or loss" screen must be completed in order for your box 17 code V information to be correctly input into TurboTax.
If the issue is related to a "can't efile because of Schedule B aggregation" message from TurboTax, the solution depends on whether or not you want or need to aggregate your businesses that qualify for QBI. That is a decision you must make as a taxpayer, based on your particular situation and/or whether you aggregated these business in the prior year (2018). If you want or need to aggregate business, you must print and mail the tax return. If you do not want or need to aggregate your businesses, follow the instructions provided in my earlier post for that to create a separate QBI Component worksheet for each source of QBI income (Schedule C, Schedule E, K-1).
@mikek947
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