Fix error when revoking submission rights
Fix error when revoking submission rights

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