Use less ugly latex exception message
Use less ugly latex exception message

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