Pycaret : Got Missing Value error in target col

Question

what if target column contains NaN and when pass it as a target col in Pycaret, it's showing missing value error ; all available Imputation Methods working for rest of cols not for chosen target col.

s = setup(df, target = 'Life expectancy', numeric_imputation="mean")

ValueError: 10 missing values found in the target column: Life expectancy. To proceed, remove the respective rows from the data.

Target column contains NaN and when pass it as a target col in Pycaret, it's showing missing value error , How to Handle Missing values in Target Column ?