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Error converting PDF to PDF/A-1b


Please try to convert attached document to PDF/A-1b

Conversion fails with exception.

An unhandled exception of type 'System.InvalidCastException' occurred in Aspose.Pdf.dll

Additional information: Unable to cast object of type ' . ' to type ' . '.

Reproduced with Aspose.PDF

Thanks in advance for your help,


Hi Liza,

for using our API’s.

have tested the scenario and I am able to notice the same problem. For the sake
of correction, I have logged this problem as PDFNEWNET-39527 in
our issue tracking system. We will further look into the details of this
problem and will keep you updated on the status of correction. Please be
patient and spare us little time. We are sorry for this inconvenience.

The issues you have found earlier (filed as PDFNET-39527) have been fixed in Aspose.PDF for .NET 19.2.