Install epstopdf to resolve ! xdvipdfmx:fatal: pdf_ref_obj(): passed invalid object.

[boltomli]

Minimal example to be found. I hit the problem trying rbook. This is a pretty vague problem so probably won't fix, but it won't hurt to report anyway and I'll give the workaround below in case.

The error message:

! xdvipdfmx:fatal: pdf_ref_obj(): passed invalid object.

Issue happens when EPS file is inserted but epstopdf not installed. Install the package and it can go on. But in the log there's no obvious error. I found this blog, and since I have tinytex in my PATH, I'd give it a try and installed epstopdf and it worked.

By the way, the error is easier to be found by xelatex log, but epstopdf works in lualatex. What a mess.

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[yihui]

Could you help me test the fix I just submitted?

tinytex::tlmgr_remove('epstopdf')
remotes::install_github('yihui/tinytex')

Then recompile the book and see if epstopdf could be automatically installed by tinytex. Thanks!

[boltomli]

I believe the pattern is correct, thanks!