Hi, We have an issues during pdf->pdf/a conversion: 1. File 1720.pdf. Exception 'System.InvalidCastException: Unable to cast object of type '?' 2. File 1721.pdf. Output does not look like the input document. A lot of b…...boxes covering the text and images. Thanks. codewarior June 28...problem. For the sake of correction, I have logged it as PDFNET-41124...