Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '%' (0x25) in SPARQL expression at '%' SPARQL query: #output-format:text%2Fhtml define%20sql%3Adescribe-mode%20%22CBD%22%20%20DESCRIBE%20%3Chttps%3A%2F%2Fglobal.dbpedia.org%2Fid%2F8k7Le%3E