Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '%' (0x25) in SPARQL expression at '%' SPARQL query: define%20sql%3Adescribe-mode%20%22CBD%22%20%20DESCRIBE%20%3Chttp%3A%2F%2Fru.dbpedia.org%2Fresource%2F%D0%90%D0%B9%D1%81%D1%88%D1%82%D0%BE%D0%BA%3E