LODE error

Reason: Problem parsing http://purl.org/twc/vocab/conversion/ Could not parse ontology. Either a suitable parser could not be found, or parsing failed. See parser logs below for explanation. The following parsers were tried: 1) RDFXMLParser 2) OWLXMLParser 3) OWLFunctionalSyntaxOWLParser 4) TurtleOntologyParser 5) KRSS2OWLParser 6) ManchesterOWLSyntaxOntologyParser 7) OBOFormatOWLAPIParser Detailed logs: -------------------------------------------------------------------------------- Parser: RDFXMLParser org.xml.sax.SAXParseException; systemId: http://purl.org/twc/vocab/conversion/; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. -------------------------------------------------------------------------------- Parser: OWLXMLParser org.xml.sax.SAXParseException; systemId: http://purl.org/twc/vocab/conversion/; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. -------------------------------------------------------------------------------- Parser: OWLFunctionalSyntaxOWLParser Encountered " "@" "@ "" at line 1, column 1. Was expecting: "Ontology" ... (Line 0) -------------------------------------------------------------------------------- Parser: TurtleOntologyParser uk.ac.manchester.cs.owl.owlapi.turtle.parser.ParseException: Encountered "" at line 1, column 1. Was expecting one of: -------------------------------------------------------------------------------- Parser: KRSS2OWLParser de.uulm.ecs.ai.owlapi.krssparser.ParseException: Encountered " "@ "" at line 1, column 1. Was expecting: -------------------------------------------------------------------------------- Parser: ManchesterOWLSyntaxOntologyParser Encountered '@prefix rdf: .' at line 1 column 1. Expected either 'Ontology:' or 'Prefix:' (Line 1) -------------------------------------------------------------------------------- Parser: OBOFormatOWLAPIParser LINENO: 1 - Could not find tag separator ':' in line. LINE: