Error(s) in re-building vignettes:
--- re-building 'spat-feateng.Rmd' using rmarkdown
Error in x$.self$finalize() : attempt to apply non-function
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Error in (function (x)  : attempt to apply non-function
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Quitting from lines 78-83 (spat-feateng.Rmd) 
Error: processing vignette 'spat-feateng.Rmd' failed with diagnostics:
PROJ4 argument-value pairs must begin with +: PROJCRS["unknown",
  BASEGEOGCRS["unknown",
 DATUM["North American Datum 1983",
 ELLIPSOID["GRS 1980",6378137,298.257222101,
 LENGTHUNIT["metre",1]],
 ID["EPSG",6269]],
 PRIMEM["Greenwich",0,
 ANGLEUNIT["degree",0.0174532925199433],
 ID["EPSG",8901]]],
 CONVERSION["unknown",
 METHOD["Lambert Conic Conformal (2SP)",
 ID["EPSG",9802]],
 PARAMETER["Latitude of false origin",40.1666666666667,
 ID["EPSG",8821]],
 PARAMETER["Longitude origin",-74,
 ID["EPSG",8822]],
 1st standard parallel",40.6666666666667,
 ID["EPSG",8823]],
 2nd parallel",41.0333333333333,
 ID["EPSG",8824]],
 PARAMETER["Easting at origin",984250,
 LENGTHUNIT["US survey foot",0.304800609601219],
 ID["EPSG",8826]],
 PARAMETER["Northing origin",0,
 ID["EPSG",8827]]],
 CS[Cartesian,2],
 AXIS["(E)",east,
 ORDER[1],
 foot",0.304800609601219,
 ID["EPSG",9003]]],
 AXIS["(N)",north,
 ORDER[2],
 ID["EPSG",9003]]]]
--- failed re-building 'spat-feateng.Rmd'

SUMMARY: processing the following file failed:
  'spat-feateng.Rmd'

Error: Vignette re-building failed.
Execution halted