Throw if a stylesheet is asked for but not downloadable
Throw if a stylesheet is asked for but not downloadable
CartoDB/carto,mapbox/carto,madeinqc/carto,1ec5/carto,gravitystorm/carto,tomhughes/carto,CartoDB/carto,stefanklug/carto,midnightcomm/carto,clhenrick/carto,whitelynx/carto,pnorman/carto