OCR function does not work

Dear Sir or madame,

maybe you can help me. The OCR function does not work at my PC with Win 11pro using german language.

This is the error log:

2025-10-23 15:08:30.6396 21204 Error running OCR System.Xml.XmlException: Invalid character in the given encoding. Line 12, position 70.
at void System.Xml.XmlTextReaderImpl.Throw(Exception e) x 2
at void System.Xml.XmlTextReaderImpl.InvalidCharRecovery(ref int bytesCount, out int charsCount)
at int System.Xml.XmlTextReaderImpl.GetChars(int maxCharsCount)
at int System.Xml.XmlTextReaderImpl.ReadData()
at void System.Xml.XmlTextReaderImpl.ParseAttributeValueSlow(int curPos, char quoteChar, NodeData attr)
at void System.Xml.XmlTextReaderImpl.ParseAttributes()
at void System.Xml.XmlTextReaderImpl.ParseElement()
at bool System.Xml.XmlTextReaderImpl.ParseElementContent()
at void System.Xml.Linq.XContainer.ReadContentFrom(XmlReader r)
at XDocument System.Xml.Linq.XDocument.Load(XmlReader reader, LoadOptions options) x 2
at async Task<ocrresult> NAPS2.Ocr.TesseractOcrEngine.ProcessImage(ScanningContext scanningContext, string imagePath, OcrParams ocrParams, CancellationToken cancelToken)</ocrresult>

Best regards,
Johannes