Error(s) in re-building vignettes:
--- re-building ‘Guidelines.Rmd’ using rmarkdown

Quitting from Guidelines.Rmd:58-108 [ModFea]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `loadNamespace()`:
! there is no package called 'systemfonts'
---
Backtrace:
     ▆
  1. ├─... %>% ...
  2. └─base::loadNamespace(x)
  3.   ├─base::namespaceImportFrom(...)
  4.   │ └─base::asNamespace(ns)
  5.   └─base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
  6.     ├─base::namespaceImportFrom(...)
  7.     │ └─base::asNamespace(ns)
  8.     └─base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
  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 'Guidelines.Rmd' failed with diagnostics:
there is no package called 'systemfonts'
--- failed re-building ‘Guidelines.Rmd’

--- re-building ‘Paper-Replications.Rmd’ using rmarkdown

Quitting from Paper-Replications.Rmd:73-95 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `loadNamespace()`:
! there is no package called 'systemfonts'
---
Backtrace:
     ▆
  1. ├─... %>% ...
  2. └─base::loadNamespace(x)
  3.   ├─base::namespaceImportFrom(...)
  4.   │ └─base::asNamespace(ns)
  5.   └─base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
  6.     ├─base::namespaceImportFrom(...)
  7.     │ └─base::asNamespace(ns)
  8.     └─base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
  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 'Paper-Replications.Rmd' failed with diagnostics:
there is no package called 'systemfonts'
--- failed re-building ‘Paper-Replications.Rmd’

SUMMARY: processing the following files failed:
  ‘Guidelines.Rmd’ ‘Paper-Replications.Rmd’

Error: Vignette re-building failed.
Execution halted