Having trouble with number $14,$ keep trying to run SAS codes, but I keep getting error messages... syntax...

this is the code I$\text{'}$m trying to run

proc reg data$=$midterm.breastfeeding;

model ToddlerWtGain $=$ AgeBeganSolids BreastfeedDuration Sex Sex$*$BreastfeedDuration;

run;

The data breastfeeding.csv

Data$=$midterm.breastfeeding

variables measured on baby and mother.

Sex: Infant sex

MomAge: Mom age at birth of infant $($years$)$

MomEdu: Mom years of education

MomWtPrePg: Mom weight pre$-$pregnancy $($pounds$)$

PregWtGain: Mom weight gained during pregnancy $($pounds$)$

MomWtBirth: Mom weight at birth of infant $($pounds$)$

InfantWtBirth: Infant Birth Weight $($pounds$)$

Breastfed: Whether the mother breastfed for at least a week

BreastfeedDuration: Duration of breastfeeding $($weeks$),$ truncated at $50$ weeks

AgeBeganSolids: Age introduced solid foods $($weeks$)$

InfantWt$6$m: Infant weight at $6$ months $($pounds$)$

InfantWtGain: Infant weight at $6$ months $$ infant birth weight

ToddlerWt$18$m: Toddler weight at $18$ months $($pounds$)$

ToddlerWtGain: Toddler weight at $18$ months $$ infant birth weight

MomWt$18$m: Mom weight $($pounds$)$ at infant age $18$ Months

MomWtLoss: Mom weight loss from infant birth to $18$ months $($pounds$)$

$14.$ Are there any outliers and$/$or influential observations? Write a sentence or two to justify your answer and include any plots or statistical tests that support your answer.

$15.$ Are the errors normally distributed? Write a sentence or two to justify your answer and include any plots or statistical tests that support your answer.