On Monday, 10 Sep 2018 at 17:09, gmx wrote: [...]
> When I work with Texstudio (my theme is called in this form: > \usepackage{keynote-gradient}*), no problem: the theme is perfectly > recognized. But not with org-mode. Maybe add #+beamer_theme: keynote-gradient to your org file? -- Eric S Fraga via Emacs 27.0.50, Org release_9.1.13-783-g97fac4