yamlconv not working

[Ricca665]

yamlconv does not work, when i try to convert a file it throws this error:
Eccezione non gestita: System.Xml.XmlException: Rilevati dati non validi al livello radice. Riga 1, posizione 1.
in System.Xml.XmlTextReaderImpl.Throw(Exception e)
in System.Xml.XmlTextReaderImpl.Throw(String res, String arg)
in System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
in System.Xml.XmlTextReaderImpl.ParseDocumentContent()
in System.Xml.XmlTextReaderImpl.Read()
in System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
in System.Xml.XmlDocument.Load(XmlReader reader)
in System.Xml.XmlDocument.Load(Stream inStream)
in yamlconv.Program.ConvertToByaml(EndianBinaryReader reader, String outpath)
in yamlconv.Program.ConvertPath(String path)
in yamlconv.Program.Main(String[] args)