Codebeautify Convert to HTML Error : Error: Invalid XML: This page contains the following errors: error on line 5 at column 52: Namespace prefix b on if is not defined error on line 6 at column 28: Namespace prefix data on blog.pageTitle is not defined error on line 10 at column 52: Namespace prefix b on if is not defined error on line 11 at column 27: Namespace prefix data on blog.pageName is not defined error on line 12 at column 132: Namespace prefix expr for content on meta is not defined Below is a rendering of the page up to the first error. Please check XML is valid or not.