Error(s) in re-building vignettes:
  ...
duplicated vignette title:
  ‘eurostat blog posts’

--- re-building ‘blogposts.Rmd’ using rmarkdown
--- finished re-building ‘blogposts.Rmd’

--- re-building ‘cheatsheet.Rmd’ using rmarkdown
--- finished re-building ‘cheatsheet.Rmd’

--- re-building ‘eurostat_tutorial.Rmd’ using rmarkdown
Loading required package: xml2
trying URL ‘https://ec.europa.eu/eurostat/estat-navtree-portlet-prod/BulkDownloadListing?sort=1&file=data%2Ft2020_rk310.tsv.gz’
Content type 'application/octet-stream;charset=UTF-8' length 4490 bytes
==================================================
downloaded 4490 bytes

Table t2020_rk310 cached at /tmp/RtmpkzjDRK/eurostat/t2020_rk310_num_code_TF.rds

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

trying URL ‘https://ec.europa.eu/eurostat/estat-navtree-portlet-prod/BulkDownloadListing?sort=1&file=data%2Ften00081.tsv.gz’
Content type 'application/octet-stream;charset=UTF-8' length 13630 bytes (13 KB)
==================================================
downloaded 13 KB

Table ten00081 cached at /tmp/RtmpkzjDRK/eurostat/ten00081_date_code_TF.rds
trying URL ‘https://ec.europa.eu/eurostat/estat-navtree-portlet-prod/BulkDownloadListing?sort=1&file=data%2Ftgs00026.tsv.gz’
Content type 'application/octet-stream;charset=UTF-8' length 5998 bytes
==================================================
downloaded 5998 bytes

Quitting from lines 440-452 (eurostat_tutorial.Rmd) 
Error: processing vignette 'eurostat_tutorial.Rmd' failed with diagnostics:
HTTP request failed with status: 500 Internal Server Error
--- failed re-building ‘eurostat_tutorial.Rmd’

--- re-building ‘publications.Rmd’ using rmarkdown
--- finished re-building ‘publications.Rmd’

SUMMARY: processing the following file failed:
  ‘eurostat_tutorial.Rmd’

Error: Vignette re-building failed.
Error: Duplicate vignette titles.
  Ensure that the %\VignetteIndexEntry lines in the vignette sources
  correspond to the vignette titles.
Execution halted