fix error messages in cli
fix error messages in cli

tomhughes/carto,whitelynx/carto,CartoDB/carto,mapbox/carto,stefanklug/carto,pnorman/carto,clhenrick/carto,madeinqc/carto,gravitystorm/carto,midnightcomm/carto,CartoDB/carto,1ec5/carto