Error(s) in re-building vignettes:
  ...
duplicated vignette title:
  ‘Vignette Title’

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

--- re-building ‘complex_clims.Rmd’ using rmarkdown
── Attaching packages ────────────────────────────────── tidyverse 1.2.1 ──
✔ ggplot2 3.1.0     ✔ purrr   0.2.5
✔ tibble  2.0.1     ✔ dplyr   0.7.8
✔ tidyr   0.8.2     ✔ stringr 1.3.1
✔ readr   1.3.1     ✔ forcats 0.3.0
── Conflicts ───────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
Loading required package: magrittr

Attaching package: 'magrittr'

The following object is masked from 'package:purrr':

    set_names

The following object is masked from 'package:tidyr':

    extract

Loading required package: data.table

Attaching package: 'data.table'

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

    between, first, last

The following object is masked from 'package:purrr':

    transpose

--- finished re-building ‘complex_clims.Rmd’

--- re-building ‘detection_and_visualisation.Rmd’ using rmarkdown
Loading required package: data.table
Loading required package: ggplot2

Attaching package: 'dplyr'

The following objects are masked from 'package:data.table':

    between, first, last

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

    filter, lag

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

    intersect, setdiff, setequal, union

--- finished re-building ‘detection_and_visualisation.Rmd’

--- re-building ‘event_categories.Rmd’ using rmarkdown
Loading required package: data.table
Loading required package: ggplot2

Attaching package: 'dplyr'

The following objects are masked from 'package:data.table':

    between, first, last

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

    filter, lag

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

    intersect, setdiff, setequal, union

--- finished re-building ‘event_categories.Rmd’

--- re-building ‘exceedance.Rmd’ using rmarkdown
Loading required package: data.table
Loading required package: ggplot2

Attaching package: 'dplyr'

The following objects are masked from 'package:data.table':

    between, first, last

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

    filter, lag

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

    intersect, setdiff, setequal, union

--- finished re-building ‘exceedance.Rmd’

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

Error: Duplicate vignette titles.
  Ensure that the %\VignetteIndexEntry lines in the vignette sources
  correspond to the vignette titles.
Execution halted