I’m using smart markers. What appears to be random error I get an exception:
Value cannot be null.
Parameter name: Cannot read that as ZipFile.: Bad signature (0x652725F00) at position 0x0000544E
at …(, Dictonary '2 )
Its failing when I try to save the workbook.
Thanks for your posting and using Aspose.Cells for .NET.
Please provide us your complete runnable but simple sample code replicating this issue. We will look into your issue and help/advise you asap.