Error(s) in re-building vignettes:
--- re-building ‘gaawr2.Rmd’ using rmarkdown
Failed with error:  'there is no package called 'EnsDb.Hsapiens.v75''
Failed with error:  'there is no package called 'pan''
Failed with error:  'package 'mice' could not be loaded'
running: bash  -c "export message=\"Hello, world!\"
echo \"print('\$message')\" > hello.R
R CMD BATCH hello.R
R --no-save -q < hello.R
R --no-save -q <<END
message <- Sys.getenv(\"message\"); print(message)
source(\"hello.R\")
END
echo \${message} | \\
Rscript -e '
message <- scan(\"stdin\", what=\"\", sep=\"\\n\", quiet=TRUE);
write.table(message, col.names=FALSE, row.names=FALSE,
            quote=FALSE)
' | \\
cat
rm hello.*"

Quitting from gaawr2.Rmd:173-191 [hwe]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `loadNamespace()`:
! there is no package called 'pan'
---
Backtrace:
     ▆
  1. └─base::loadNamespace(x)
  2.   ├─base::namespaceImport(...)
  3.   └─base::loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]])
  4.     ├─base::namespaceImportFrom(...)
  5.     │ └─base::asNamespace(ns)
  6.     └─base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
  7.       ├─base::namespaceImport(...)
  8.       └─base::loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]])
  9.         └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
 10.           └─base (local) withOneRestart(expr, restarts[[1L]])
 11.             └─base (local) doWithOneRestart(return(expr), restart)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gaawr2.Rmd' failed with diagnostics:
there is no package called 'pan'
--- failed re-building ‘gaawr2.Rmd’

--- re-building ‘web.Rmd’ using rmarkdown
[WARNING] Citeproc: citation tsv not found
--- finished re-building ‘web.Rmd’

SUMMARY: processing the following file failed:
  ‘gaawr2.Rmd’

Error: Vignette re-building failed.
Execution halted