Error(s) in re-building vignettes:
--- re-building 'Actgram_diurnality_avg_activity.Rmd' using rmarkdown
--- finished re-building 'Actgram_diurnality_avg_activity.Rmd'

--- re-building 'DFC_and_HP_and_changing_plots.Rmd' using rmarkdown
Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y,  :
  font family not found in Windows font database
Warning in grid.Call.graphics(C_text, as.graphicsAnnot(x$label), x$x, x$y,  :
  font family not found in Windows font database
Warning in grid.Call.graphics(C_text, as.graphicsAnnot(x$label), x$x, x$y,  :
  font family not found in Windows font database
Warning in grid.Call.graphics(C_text, as.graphicsAnnot(x$label), x$x, x$y,  :
  font family not found in Windows font database
Warning in grid.Call.graphics(C_text, as.graphicsAnnot(x$label), x$x, x$y,  :
  font family not found in Windows font database
Warning in grid.Call.graphics(C_text, as.graphicsAnnot(x$label), x$x, x$y,  :
  font family not found in Windows font database
--- finished re-building 'DFC_and_HP_and_changing_plots.Rmd'

--- re-building 'Loading_and_preprocessing_data_in_DigiRhythm.Rmd' using rmarkdown
trying URL 'https://raw.githubusercontent.com/nasserdr/digiRhythm_sample_datasets/main/516b_2.csv'

Quitting from Loading_and_preprocessing_data_in_DigiRhythm.Rmd:26-51 [setup]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `download.file()`:
! cannot open URL 'https://raw.githubusercontent.com/nasserdr/digiRhythm_sample_datasets/main/516b_2.csv'
---
Backtrace:
    ▆
 1. └─utils::download.file(url, destfile = destination)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Loading_and_preprocessing_data_in_DigiRhythm.Rmd' failed with diagnostics:
cannot open URL 'https://raw.githubusercontent.com/nasserdr/digiRhythm_sample_datasets/main/516b_2.csv'
--- failed re-building 'Loading_and_preprocessing_data_in_DigiRhythm.Rmd'

--- re-building 'Visualisation.Rmd' using rmarkdown
--- finished re-building 'Visualisation.Rmd'

SUMMARY: processing the following file failed:
  'Loading_and_preprocessing_data_in_DigiRhythm.Rmd'

Error: Vignette re-building failed.
Execution halted