Graphs missing from print preview of overview report
When clicking on Print > Print Preview in an overview report sometimes graphs may be missing from the preview and also from the print job. The same may apply when printing to a file like a pdf.
To print or to show in print preview Slowest Actions (Action Time) graph (and some other histograms) you have to:
1) Run Print Preview dialog for overview report
2) Click Page Setup icon
3) Check "Print Background Colors and Images" in the Page Setup dialog