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

--- re-building ‘BEBOP.Rmd’ using rmarkdown
Loading required package: Rcpp
--- finished re-building ‘BEBOP.Rmd’

--- re-building ‘CRM-visualisation.Rmd’ using rmarkdown
Loading required package: Rcpp
trying deprecated constructor; please alert package maintainer

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


Attaching package: 'magrittr'

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

    extract

--- finished re-building ‘CRM-visualisation.Rmd’

--- re-building ‘CRM.Rmd’ using rmarkdown
Loading required package: Rcpp
trying deprecated constructor; please alert package maintainer
trying deprecated constructor; please alert package maintainer
trying deprecated constructor; please alert package maintainer
Warning: There were 1 divergent transitions after warmup. Increasing adapt_delta above 0.8 may help. See
http://mc-stan.org/misc/warnings.html#divergent-transitions-after-warmup
Warning: Examine the pairs() plot to diagnose sampling problems

trying deprecated constructor; please alert package maintainer
--- finished re-building ‘CRM.Rmd’

--- re-building ‘EffTox.Rmd’ using rmarkdown
Loading required package: Rcpp
trying deprecated constructor; please alert package maintainer
--- finished re-building ‘EffTox.Rmd’

--- re-building ‘HierarchicalBayesianResponse.Rmd’ using rmarkdown
Loading required package: Rcpp
--- finished re-building ‘HierarchicalBayesianResponse.Rmd’

--- re-building ‘trialr-overview.Rmd’ using rmarkdown
Loading required package: Rcpp
trying deprecated constructor; please alert package maintainer

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

--- finished re-building ‘trialr-overview.Rmd’

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