Getting this error message when trying to convert hkx to xml through command line with .net version

[Chris-M-Bennett]

Unhandled exception: System.Xml.XmlException: Data at the root level is invalid. Line 1, position 1.
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.Throw(String res, String arg)
at System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.Linq.XDocument.Load(XmlReader reader, LoadOptions options)
at System.Xml.Linq.XDocument.Load(Stream stream, LoadOptions options)
at HKX2.XmlDeserializer.Deserialize(Stream stream, HKXHeader header, Boolean ignoreNonFatalError)
at hkxconv.cmd.Convert.ConvertTo(FileInfo inFile, FileInfo outFile, ConvertFormat format, Boolean verbose, Boolean ignoreError)
at hkxconv.cmd.Convert.ToFormat(FileSystemInfo input, FileSystemInfo output, ConvertFormat format, Boolean verbose, Boolean ignoreError)
at hkxconv.Program.<>c.

b__0_4(ConvertFormat format, Boolean verbose, Boolean ignoreErrorOpt, FileSystemInfo input, FileSystemInfo output)
at System.CommandLine.Handler.<>c__DisplayClass6_0`5.b__0(InvocationContext context)
at System.CommandLine.Invocation.AnonymousCommandHandler.Invoke(InvocationContext context)
at System.CommandLine.Invocation.AnonymousCommandHandler.InvokeAsync(InvocationContext context)
at System.CommandLine.Invocation.InvocationPipeline.<>c__DisplayClass4_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass17_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass12_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass22_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass19_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b__18_0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass16_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b__5_0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass8_0.<b__0>d.MoveNext()

[ret2end]

Seem like you are using wrong flag?
To hkx => xml pass -v hkx fileToConvert.xml make sure it is xml
xml => hkx pass -v xml fileToConvert.hkx