I encounter an issue regarding the vignette of a package I am developping in R. Vignette had been created using usethis::use_vignette. It is a Rmd file in the vignettes directory, and the DESCRIPTION file has the following inside :
Suggests:
testthat,
knitr,
rmarkdown
VignetteBuilder: knitr
The check throws one warning, but I think it isn't relevant ("'qpdf' is needed for checks on size reduction of PDFs")
Then I build my source package, and obtain a .tar.gz archive. When I install this (either with the graphic interface of RStudio or with install.packages), my vignette appears if I use ??my_package and is listed when I call vignette(). The installation process also mentions "installing vignettes" and everything seems ok.
However, after a few times the vignette just disapear, and is not findable anymore (or listed). I have not been able to determine what trigger this (this may be after a reboot but not always, sometimes this happens fast sometimes after a few hours...).
I am a bit confused with this, does anyone have an idea?
Many thanks to you!
