Excess 401k contribution.
I changed jobs in 2018 and over paid 401k by $4500. I contacted my plan admin and withdrew the funds and received 1099R. I entered the 1099R with Code P (kind of confusing because if refers to 2017). It appears to have updated my 2018 taxable income; however, turbo tax shows that i have an error with the excess contribution and will not let me file.