A message that indicates that the object reference is not set to an instance of the object is typically caused by one or more of the following reasons:
• There are soft page breaks within empty lists in the report.
• There are hidden groups within the report and you tried to export it to PDF.
· The report has a link to a subreport that is not published on the report server and you tried to export it to CSV.
· There are text boxes with a width and/or height of zero in the report.
· A text box is either hidden or the NoRows property is set to true.
· A text box spans table cells where some cells have a collection of null values.
· The report has static columns and/or rows and, in the Visibility properties, Hidden is set to true.
· The report has static columns and/or rows and there are grand totals in the report.
· The report has static column headings and, in the Visibility properties, Hidden is set to true.
· The matrix report has multiple columns and rows and, in the Visibility properties, Hidden is set to true and you tried to export to PDF or TIFF.
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