"Cannot access document when in modal condition" error given when trying to print from Print Preview view.
1. Runs a query then "Send to Report" (lower left corner).
2. File | print preview on the xls that opened in Toad.
3. File | print on the spread sheet print preview image in Toad.
4. Get error.
Do not print from Print Preview window. Close this before trying to print.
Issue fixed in version 3.1. The latest version of Toad Data Point can be downloaded here.