i have file txt with this form => number;UID;first_name;last_name;gender;city_of_birth;city;status;company;last_publication;mail;date_of_birth 3286747263;100007484056865;NA;Dia;female;Milan, Italy;Milan, Italy;;me stessa;;;

and when i import to mongoDB it doesn't works, it works only when the txt file with this form => "number","UID","first_name","last_name","gender","city_of_birth","city","status","company","last_publication","mail","date_of_birth" "3286747263","100007484056865","NA","Dia","female","Milan", "Italy","Milan Italy","me stessa"