[FIX] Properly display noreport error in "add contrib"
[FIX] Properly display noreport error in "add contrib"

- fixes #744

ThiefMaster/indico,OmeGak/indico,ThiefMaster/indico,pferreir/indico,DirkHoffmann/indico,indico/indico,OmeGak/indico,indico/indico,pferreir/indico,OmeGak/indico,mic4ael/indico,mvidalgarcia/indico,mic4ael/indico,mvidalgarcia/indico,pferreir/indico,indico/indico,ThiefMaster/indico,DirkHoffmann/indico,mic4ael/indico,OmeGak/indico,pferreir/indico,indico/indico,mvidalgarcia/indico,mic4ael/indico,DirkHoffmann/indico,DirkHoffmann/indico,mvidalgarcia/indico,ThiefMaster/indico