Running examples in 'Rdpack-Ex.R' failed
The error most likely occurred in:

> ### Name: makeVignetteReference
> ### Title: Make bibtex references for vignettes
> ### Aliases: makeVignetteReference vigbib
> ### Keywords: bibtex
> 
> ### ** Examples
> 
> vigbib("Rdpack")
@Article{vigRdpack:Inserting_figures_and_evaluated_examples,
  title = {Inserting figures and evaluated examples},
  author = {Georgi N. Boshnakov and Duncan Murdoch},
  journal = {URL https://CRAN.R-Project.org/package=Rdpack. Vignette included in R package Rdpack, version 0.10-1},
  year = {2018},
  publisher = {CRAN},
  url = {https://CRAN.R-Project.org/package=Rdpack},
}

@Article{vigRdpack:Inserting_bibtex_references,
  title = {Inserting references in Rd and roxygen2 documentation},
  author = {Georgi N. Boshnakov and Duncan Murdoch},
  journal = {URL https://CRAN.R-Project.org/package=Rdpack. Vignette included in R package Rdpack, version 0.10-1},
  year = {2018},
  publisher = {CRAN},
  url = {https://CRAN.R-Project.org/package=Rdpack},
}
> makeVignetteReference("Rdpack", vig = 1)
@Article{vigRdpack:Inserting_figures_and_evaluated_examples,
  title = {Inserting figures and evaluated examples},
  author = {Georgi N. Boshnakov and Duncan Murdoch},
  journal = {URL https://CRAN.R-Project.org/package=Rdpack. Vignette included in R package Rdpack, version 0.10-1},
  year = {2018},
  publisher = {CRAN},
  url = {https://CRAN.R-Project.org/package=Rdpack},
}

Boshnakov GN, Murdoch D (2018). "Inserting figures and evaluated
examples." _URL https://CRAN.R-Project.org/package=Rdpack. Vignette
included in R package Rdpack, version 0.10-1_. <URL:
https://CRAN.R-Project.org/package=Rdpack>.
> makeVignetteReference("Rdpack", vig = "Inserting_bibtex_references")
@Article{vigRdpack:Inserting_bibtex_references,
  title = {Inserting references in Rd and roxygen2 documentation},
  author = {Georgi N. Boshnakov and Duncan Murdoch},
  journal = {URL https://CRAN.R-Project.org/package=Rdpack. Vignette included in R package Rdpack, version 0.10-1},
  year = {2018},
  publisher = {CRAN},
  url = {https://CRAN.R-Project.org/package=Rdpack},
}

Boshnakov GN, Murdoch D (2018). "Inserting references in Rd and
roxygen2 documentation." _URL
https://CRAN.R-Project.org/package=Rdpack. Vignette included in R
package Rdpack, version 0.10-1_. <URL:
https://CRAN.R-Project.org/package=Rdpack>.
> ## the first few characters of the name suffice:
> makeVignetteReference("Rdpack", vig = "Inserting_bib")
@Article{vigRdpack:Inserting_bibtex_references,
  title = {Inserting references in Rd and roxygen2 documentation},
  author = {Georgi N. Boshnakov and Duncan Murdoch},
  journal = {URL https://CRAN.R-Project.org/package=Rdpack. Vignette included in R package Rdpack, version 0.10-1},
  year = {2018},
  publisher = {CRAN},
  url = {https://CRAN.R-Project.org/package=Rdpack},
}

Boshnakov GN, Murdoch D (2018). "Inserting references in Rd and
roxygen2 documentation." _URL
https://CRAN.R-Project.org/package=Rdpack. Vignette included in R
package Rdpack, version 0.10-1_. <URL:
https://CRAN.R-Project.org/package=Rdpack>.
> 
> ## this gives an error but also prints the available vignettes:
> ## makeVignetteReference("Matrix", vig = "NoSuchVignette")
> 
> vigbib("utils")
No vignettes found in package  utils 
> makeVignetteReference("utils", vig = 1)
Error in makeVignetteReference("utils", vig = 1) : 
  not ready yet, should return all vigs in the package.
Execution halted