Don't error if multiple area IDs are requested, some with no polygons.
Don't error if multiple area IDs are requested, some with no polygons.

opencorato/mapit,opencorato/mapit,chris48s/mapit,opencorato/mapit,chris48s/mapit,chris48s/mapit,Sinar/mapit,Code4SA/mapit,New-Bamboo/mapit,Code4SA/mapit,New-Bamboo/mapit,Code4SA/mapit,Sinar/mapit