Error(s) in re-building vignettes:
  ...
--- re-building ‘annual-maps.Rmd’ using rmarkdown
Quitting from lines 67-73 (annual-maps.Rmd) 
Error: processing vignette ‘annual-maps.Rmd’ failed with diagnostics:
no applicable method for ‘group_by’ applied to an object of class "NULL"
--- failed re-building ‘annual-maps.Rmd’

--- re-building ‘county-analysis.Rmd’ using rmarkdown
Joining, by = c("year", "countyfips")
--- finished re-building ‘county-analysis.Rmd’

--- re-building ‘individual-drug-mapping.Rmd’ using rmarkdown
`summarise()` has grouped output by 'BUYER_DEA_NO'. You can override using the `.groups` argument.
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Sorry, our server must be overwhelmed. Try again in a little bit. If it persists, let us know at https://github.com/wpinvestigative/arcos/issues
Quitting from lines 137-230 (individual-drug-mapping.Rmd) 
Error: processing vignette ‘individual-drug-mapping.Rmd’ failed with diagnostics:
`x` and `y` must share the same src, set `copy` = TRUE (may be slow).
--- failed re-building ‘individual-drug-mapping.Rmd’

--- re-building ‘per-capita-pharmacies.Rmd’ using rmarkdown
--- finished re-building ‘per-capita-pharmacies.Rmd’

--- re-building ‘suspicious-order-detection.Rmd’ using rmarkdown
Warning: Ignoring unknown parameters: opacity
Warning: Ignoring unknown aesthetics: fill
Warning: Removed 1 row(s) containing missing values (geom_path).
Warning: Ignoring unknown parameters: opacity
Warning: Ignoring unknown aesthetics: fill
Warning: Removed 11 row(s) containing missing values (geom_path).
--- finished re-building ‘suspicious-order-detection.Rmd’

SUMMARY: processing the following files failed:
  ‘annual-maps.Rmd’ ‘individual-drug-mapping.Rmd’

Error: Vignette re-building failed.
Execution halted