Automatic GPX download cancelled due to security concerns - the file at http://0 does not seem to be a valid XML file!

Error parsing XML file : Space required after the Public Identifier
Error parsing XML file : SystemLiteral " or ' expected
Error parsing XML file : SYSTEM or PUBLIC, the URI is missing
Error parsing XML file : Opening and ending tag mismatch: hr line 10 and body
Error parsing XML file : Opening and ending tag mismatch: body line 4 and html
Error parsing XML file : Premature end of data in tag html line 2