Unhandled Exception: System.IO.FileNotFoundException: Could not find file "/tmp/sandpit/--version". File name: '/tmp/sandpit/--version' at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean anonymous, FileOptions options) <0x7f259715d2c0 + 0x005cd> in <filename unknown>:0 at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize) <0x7f259715cf80 + 0x0004d> in <filename unknown>:0 at (wrapper remoting-invoke-with-check) System.IO.FileStream:.ctor (string,System.IO.FileMode,System.IO.FileAccess,System.IO.FileShare,int) at System.Xml.XmlDownloadManager.GetStream (System.Uri uri, ICredentials credentials, IWebProxy proxy, System.Net.Cache.RequestCachePolicy cachePolicy) <0x40642860 + 0x0009e> in <filename unknown>:0 at System.Xml.XmlUrlResolver.GetEntity (System.Uri absoluteUri, System.String role, System.Type ofObjectToReturn) <0x40642670 + 0x00087> in <filename unknown>:0 at System.Xml.XmlTextReaderImpl.OpenUrlDelegate (System.Object xmlResolver) <0x406424e0 + 0x00060> in <filename unknown>:0 at System.Xml.XmlTextReaderImpl.OpenUrl () <0x406421e0 + 0x00127> in <filename unknown>:0 [ERROR] FATAL UNHANDLED EXCEPTION: System.IO.FileNotFoundException: Could not find file "/tmp/sandpit/--version". File name: '/tmp/sandpit/--version' at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean anonymous, FileOptions options) <0x7f259715d2c0 + 0x005cd> in <filename unknown>:0 at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize) <0x7f259715cf80 + 0x0004d> in <filename unknown>:0 at (wrapper remoting-invoke-with-check) System.IO.FileStream:.ctor (string,System.IO.FileMode,System.IO.FileAccess,System.IO.FileShare,int) at System.Xml.XmlDownloadManager.GetStream (System.Uri uri, ICredentials credentials, IWebProxy proxy, System.Net.Cache.RequestCachePolicy cachePolicy) <0x40642860 + 0x0009e> in <filename unknown>:0 at System.Xml.XmlUrlResolver.GetEntity (System.Uri absoluteUri, System.String role, System.Type ofObjectToReturn) <0x40642670 + 0x00087> in <filename unknown>:0 at System.Xml.XmlTextReaderImpl.OpenUrlDelegate (System.Object xmlResolver) <0x406424e0 + 0x00060> in <filename unknown>:0 at System.Xml.XmlTextReaderImpl.OpenUrl () <0x406421e0 + 0x00127> in <filename unknown>:0

Usage dtd2rng [options] dtdfile [ns] options: --help : show this message. --compact, -c : output compact syntax.