The answers you just gave do not help.

[beastie87]

I just received another federal W- for 2019. I left that job in mid December 2018 and started a new jon in March of this year. It's for 1. Wages - $5457.60. Please help.

[VolvoGirl]

I don't know what prior answers didn't help.  But you need to mail in an amended return to add this W2 to your 2018 original return.  Or explain where you are stuck.

How to amend an Online return

https://ttlc.intuit.com/questions/4667226-how-do-i-amend-my-2018-turbotax-online-return