Erreur : Object reference not set to an instance of an object.itextsharpSystem.Collections.ListDictionaryInternal at iTextSharp.text.pdf.ColumnText.GoComposite(Boolean simulate) at iTextSharp.text.pdf.ColumnText.Go(Boolean simulate) at iTextSharp.text.pdf.FloatLayout.floatingLayout(ColumnText compositeColumn, List`1 floatingElements, Boolean simulate) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDiv.layout(ColumnText compositeColumn, Boolean simulate, Single llx, Single lly, Single urx, Single ury) at iTextSharp.text.pdf.FloatLayout.layout(Boolean simulate) at iTextSharp.text.pdf.PdfDocument.FlushFloatingElements() at iTextSharp.text.pdf.PdfDocument.Add(IElement element) at iTextSharp.text.Document.Add(IElement element) at iTextSharp.tool.xml.pipeline.end.PdfWriterPipeline.Write(IWorkerContext context, ProcessObject po) at iTextSharp.tool.xml.pipeline.end.PdfWriterPipeline.Close(IWorkerContext context, Tag t, ProcessObject po) at iTextSharp.tool.xml.XMLWorker.EndElement(String tag, String ns) at iTextSharp.tool.xml.parser.XMLParser.EndElement() at iTextSharp.tool.xml.parser.state.ClosingTagState.Process(Char character) at iTextSharp.tool.xml.parser.XMLParser.ParseWithReader(TextReader reader) at iTextSharp.tool.xml.XMLWorkerHelper.ParseXHtml(PdfWriter writer, Document doc, TextReader inp) at CD67.SiteADBR.Umbraco.App.HtmlToPdfHandler.Html2pdf(HttpContext context) in C:\Code\SiteAD67\CD67.SiteADBR.Umbraco\App\HtmlToPdfHandler.cs:line 193