Error(s) in re-building vignettes:
  ...
--- re-building ‘ggwordcloud.Rmd’ using rmarkdown
Warning in wordcloud_boxes(data_points = points_valid_first, boxes = boxes,  :
  Some words could not fit on page. They have been placed at their original positions.
Warning in wordcloud_boxes(data_points = points_valid_first, boxes = boxes,  :
  Some words could not fit on page. They have been removed.

Quitting from ggwordcloud.Rmd:296-308 [unnamed-chunk-21]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `geom_text_wordcloud_area()`:
! Problem while setting up geom.
ℹ Error occurred in the 1st layer.
Caused by error in `grid.Call()`:
! could not open file '/tmp/RtmpYEuQrH/file16d57e35a7abb7_wordcloud.png'
---
Backtrace:
     ▆
  1. ├─base::print(...)
  2. └─ggplot2 (local) `print.ggplot2::ggplot`(...)
  3.   ├─ggplot2::ggplot_build(x)
  4.   └─ggplot2 (local) `ggplot_build.ggplot2::ggplot`(x)
  5.     └─ggplot2:::by_layer(...)
  6.       ├─rlang::try_fetch(...)
  7.       │ ├─base::tryCatch(...)
  8.       │ │ └─base (local) tryCatchList(expr, classes, parentenv, handlers)
  9.       │ │   └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
 10.       │ │     └─base (local) doTryCatch(return(expr), name, parentenv, handler)
 11.       │ └─base::withCallingHandlers(...)
 12.       └─ggplot2 (local) f(l = layers[[i]], d = data[[i]])
 13.         └─l$compute_geom_1(d)
 14.           └─ggplot2 (local) compute_geom_1(..., self = self)
 15.             └─self$geom$setup_data(data, self$computed_geom_params)
 16.               └─ggwordcloud (local) setup_data(...)
 17.                 └─base::lapply(...)
 18.                   └─ggwordcloud (local) FUN(X[[i]], ...)
 19.                     └─ggwordcloud:::compute_mask(...)
 20.                       └─grid::pushViewport(...)
 21.                         └─base::lapply(vps, push.vp, recording)
 22.                           ├─grid (local) FUN(X[[i]], ...)
 23.                           └─grid:::push.vp.viewport(X[[i]], ...)
 24.                             └─grid:::record(vp)
 25.                               └─grid:::grid.Call(C_getDLon)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'ggwordcloud.Rmd' failed with diagnostics:
Problem while setting up geom.
ℹ Error occurred in the 1st layer.
Caused by error in `grid.Call()`:
! could not open file '/tmp/RtmpYEuQrH/file16d57e35a7abb7_wordcloud.png'
--- failed re-building ‘ggwordcloud.Rmd’

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

Error: Vignette re-building failed.
Execution halted