PDF file, all pages are blank

[jwgrenning]

After running a prez, a pdf is created but each slide is blank (white). There is a page for each slide.

There is a warning during the install.

[warn] Source folder not specified: use cwd [warn] Destination folder not specified: use 'build' [info] copy ../../../../../usr/local/lib/node_modules/prez/data/init/css to [info] copy ../../../../../usr/local/lib/node_modules/prez/data/init/images to [info] copy ../../../../../usr/local/lib/node_modules/prez/data/init/includes.txt to [info] copy ../../../../../usr/local/lib/node_modules/prez/data/init/js to [info] copy ../../../../../usr/local/lib/node_modules/prez/data/init/slides to [info] copy ../../../../../usr/local/lib/node_modules/prez/data/dynamic-theme.js to build/js [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/css to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/js to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/lib to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/plugin to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/highlight.js/styles to build/css/highlight [info] copy css to build [info] copy js to build [info] copy images to build [warn] cannot copy media (file not found) [info] copy ../../../../../usr/local/lib/node_modules/prez/data/index.html to build [info] write build/index.html (5383 bytes)

Running the prez

$ prez --serve --print --watch [warn] Source folder not specified: use cwd [warn] Destination folder not specified: use 'build' [info] copy ../../../../../usr/local/lib/node_modules/prez/data/dynamic-theme.js to build/js [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/css to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/js to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/lib to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/reveal.js/plugin to build [info] copy ../../../../../usr/local/lib/node_modules/prez/node_modules/highlight.js/styles to build/css/highlight [info] copy css to build [info] copy js to build [info] copy images to build [warn] cannot copy media (file not found) [info] copy ../../../../../usr/local/lib/node_modules/prez/data/index.html to build [info] write build/index.html (5383 bytes) [info] serve slideshows from build… [info] started server live-reload on port 35729 [info] started server http on port 9000 [info] [phantom] Export PDF: Reading reveal.js config [1/4] [info] [phantom] Export PDF: Preparing print layout [2/4] [info] [phantom] Export PDF: Preparing pdf [3/4] [info] [phantom] Export PDF: Writing file [4/4] [info] [phantom] Export PDF: Finished successfully! [info] print slides.pdf (OK)