i got a probleme

[LazYtechnoo]

Framework: .NET 8.0.2
RuntimeIdentifier: win-x64
OS: Microsoft Windows 10.0.19044

{
"filePath": "",
"tracks": [
{
"trackLengthByteNumber": 267,
"number": 1,
"flagDefault": false,
"flagDefaultByteNumber": 0,
"flagForced": false,
"flagForcedByteNumber": 0,
"flagTypebytenumber": 283,
"type": "video",
"name": "HDHub4u.Tv",
"language": "und"
},
{
"trackLengthByteNumber": 478,
"number": 2,
"flagDefault": false,
"flagDefaultByteNumber": 554,
"flagForced": false,
"flagForcedByteNumber": 498,
"flagTypebytenumber": 494,
"type": "audio",
"name": "HDHub4u.Tv",
"language": "hin"
},
{
"trackLengthByteNumber": 570,
"number": 3,
"flagDefault": true,
"flagDefaultByteNumber": 589,
"flagForced": false,
"flagForcedByteNumber": 640,
"flagTypebytenumber": 586,
"type": "audio",
"name": "HDHub4u.Tv",
"language": "eng"
},
{
"trackLengthByteNumber": 663,
"number": 4,
"flagDefault": true,
"flagDefaultByteNumber": 704,
"flagForced": false,
"flagForcedByteNumber": 708,
"flagTypebytenumber": 679,
"type": "subtitle",
"name": "HDHub4u.Tv",
"language": "eng"
}
],
"seekList": [
{
"seekId": 290298740,
"seekPosition": 629193787,
"seekPositionByteNumber": 70,
"elementLength": 4
}
],
"seekHeadCheckSum": null,
"tracksCheckSum": null,
"voidPosition": 74,
"endPosition": 729,
"tracksPosition": 264,
"beginHeaderPosition": 119
}

System.InvalidOperationException: Cannot find descriptor 0x1654AE6B
at NEbml.Matroska.CustomExtensions.LocateElement(EbmlReader reader, UInt64 descriptor)
at MatroskaLib.MatroskaReader._DetermineTracksPosition(EbmlReader& reader, FileStream fileStream, List`1 seekList, Int32 voidPosition)
at MatroskaLib.MatroskaReader.ReadMkvFiles(String[] filePaths)
at MatroskaLib.MkvFilesContainer..ctor(String[] filePaths)
at MkvDefaultTrackChanger.MainForm.LoadFiles()
at MkvDefaultTrackChanger.MainForm.BtnBrowseFilesClick(Object sender, EventArgs e)