I am amending my 2018 federal return. Why is the form asking me for my 2019 income listed (on a Form k-1)?

[VolvoGirl]

To amend a 2018 you have to use the Desktop program not online.  You need to download the .tax2018 file to open in the Desktop program.

How to amend a 2018 Online return 

https://ttlc.intuit.com/community/tax-topics/help/how-do-i-amend-my-2018-turbotax-online-return/00/9... 

[macuser_22]

You cannot amend 2018 online.

Online for 2018 ended on Oct 15, 2019. 2018 and earlier can only be amended with TurboTax using the CD/download version installed on a PC or Mac computer.

2019 amended Federal returns can either be e-filed or mailed. 2018 and earlier amended returns can only be mailed. It is suggested that it be mailed certified with return receipt (or other tracking service) to verify that the IRS or state receives it.

See this TurboTax FAQ for detailed amend instructions:
https://ttlc.intuit.com/questions/1894381-how-to-amend-change-or-correct-a-return-you-already-filed

-- Amended returns can only be mailed - allow 8-12 weeks - can take up to 16 weeks (4 months) for processing.

You can check the status of the amended return here, but allow 3 weeks after mailing.

https://www.irs.gov/filing/wheres-my-amended-return