Error(s) in re-building vignettes:
  ...
--- re-building ‘bioRad.Rmd’ using rmarkdown
Warning in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) :
  invalid non-character version specification 'x' (type: double)
Calls:
 1: tools:::.buildOneVignette("bioRad.Rmd", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/bioRad.Rcheck/vign_test/bioRad", TRUE, FALSE, "bioRad", "UTF-8", "/home/hornik/tmp/scratch/RtmpxaLDBz/file363e444bf2e4e0.rds")
 2: tryCatch({
        engine$weave(file, quiet = quiet, encoding = enc)
        setwd(startdir)
        output <- find_vignette_product(name, by = "weave", engine = engine)
        if (!have.makefile && vignette_is_tex(output)) {
            texi2pdf(file = output, clean = FALSE, quiet = quiet)
            output <- find_vignette_product(name, by = "texi2pdf", engine = engine)
        }
    }, error = function(e) {
        OK <<- FALSE
        message(gettextf("Error: processing vignette '%s' failed with diagnostics:\n%s", file, conditionMessage(e)))
    })
 3: tryCatchList(expr, classes, parentenv, handlers)
 4: tryCatchOne(expr, names, parentenv, handlers[[1L]])
 5: doTryCatch(return(expr), name, pa [... truncated]
--- finished re-building ‘bioRad.Rmd’

--- re-building ‘rad_aero_19.Rmd’ using rmarkdown
Warning in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) :
  invalid non-character version specification 'x' (type: double)
Calls:
 1: tools:::.buildOneVignette("rad_aero_19.Rmd", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/bioRad.Rcheck/vign_test/bioRad", TRUE, FALSE, "rad_aero_19", "UTF-8", "/home/hornik/tmp/scratch/RtmpxaLDBz/file363e44301ac850.rds")
 2: tryCatch({
        engine$weave(file, quiet = quiet, encoding = enc)
        setwd(startdir)
        output <- find_vignette_product(name, by = "weave", engine = engine)
        if (!have.makefile && vignette_is_tex(output)) {
            texi2pdf(file = output, clean = FALSE, quiet = quiet)
            output <- find_vignette_product(name, by = "texi2pdf", engine = engine)
        }
    }, error = function(e) {
        OK <<- FALSE
        message(gettextf("Error: processing vignette '%s' failed with diagnostics:\n%s", file, conditionMessage(e)))
    })
 3: tryCatchList(expr, classes, parentenv, handlers)
 4: tryCatchOne(expr, names, parentenv, handlers[[1L]])
 5: doTryCatch(return(expr) [... truncated]
--- finished re-building ‘rad_aero_19.Rmd’

--- re-building ‘range_correction.Rmd’ using rmarkdown

Quitting from lines 147-149 [unnamed-chunk-13] (range_correction.Rmd)
Error: processing vignette ‘range_correction.Rmd’ failed with diagnostics:
target crs creation failed: Invalid PROJ string syntax
--- failed re-building ‘range_correction.Rmd’

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

Error: Vignette re-building failed.
Execution halted