Error(s) in re-building vignettes:
  ...
--- re-building ‘handle_NAs.Rmd’ using rmarkdown
Warning in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) :
  invalid non-character version specification 'x' (type: double)
Calls:
 1: tools:::.buildOneVignette("handle_NAs.Rmd", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/GDPuc.Rcheck/vign_test/GDPuc", TRUE, FALSE, "handle_NAs", "UTF-8", "/home/hornik/tmp/scratch/Rtmpx6EqPd/file1a78b459e836d4.rds")
 2: tryCatch({
        engine$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), na [... truncated]
--- finished re-building ‘handle_NAs.Rmd’

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

Quitting from lines 20-36 [unnamed-chunk-2] (magpie.Rmd)
Error: processing vignette ‘magpie.Rmd’ failed with diagnostics:
there is no package called 'magclass'
--- failed re-building ‘magpie.Rmd’

--- re-building ‘source.Rmd’ using rmarkdown
Warning in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) :
  invalid non-character version specification 'x' (type: double)
Calls:
 1: tools:::.buildOneVignette("source.Rmd", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/GDPuc.Rcheck/vign_test/GDPuc", TRUE, FALSE, "source", "UTF-8", "/home/hornik/tmp/scratch/Rtmpx6EqPd/file1a78b4e96d274.rds")
 2: tryCatch({
        engine$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, paren [... truncated]
--- finished re-building ‘source.Rmd’

--- re-building ‘verbose.Rmd’ using rmarkdown
Warning in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) :
  invalid non-character version specification 'x' (type: double)
Calls:
 1: tools:::.buildOneVignette("verbose.Rmd", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/GDPuc.Rcheck/vign_test/GDPuc", TRUE, FALSE, "verbose", "UTF-8", "/home/hornik/tmp/scratch/Rtmpx6EqPd/file1a78b441671289.rds")
 2: tryCatch({
        engine$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 ‘verbose.Rmd’

--- re-building ‘warn.Rmd’ using rmarkdown
Warning in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) :
  invalid non-character version specification 'x' (type: double)
Calls:
 1: tools:::.buildOneVignette("warn.Rmd", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/GDPuc.Rcheck/vign_test/GDPuc", TRUE, FALSE, "warn", "UTF-8", "/home/hornik/tmp/scratch/Rtmpx6EqPd/file1a78b43bf7f33a.rds")
 2: tryCatch({
        engine$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, parenten [... truncated]
--- finished re-building ‘warn.Rmd’

--- re-building ‘with_regions.Rmd’ using rmarkdown
Warning in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) :
  invalid non-character version specification 'x' (type: double)
Calls:
 1: tools:::.buildOneVignette("with_regions.Rmd", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/GDPuc.Rcheck/vign_test/GDPuc", TRUE, FALSE, "with_regions", "UTF-8", "/home/hornik/tmp/scratch/Rtmpx6EqPd/file1a78b46c52452e.rds")
 2: tryCatch({
        engine$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 ‘with_regions.Rmd’

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

Error: Vignette re-building failed.
Execution halted