Error(s) in re-building vignettes:
  ...
--- re-building ‘compiledCode.Rnw’ using Sweave
--- finished re-building ‘compiledCode.Rnw’

--- re-building ‘deSolve.Rnw’ using Sweave
 ----------- FAILURE REPORT -------------- 
 --- failure: the condition has length > 1 ---
 --- srcref --- 
: 
 --- package (from environment) --- 
deSolve
 --- call from context --- 
SetData(obs)
 --- call from argument --- 
if (!class(obs) %in% c("data.frame", "matrix")) stop("'obs' should be either a 'data.frame' or a 'matrix'")
 --- R stacktrace ---
where 1: SetData(obs)
where 2: matplot.1D(out, grid = Distance, type = "l", mfrow = NULL, subset = time %in% 
    seq(0, 200, by = 10), obs = data, obspar = list(pch = 18, 
    cex = 2, col = "red"))
where 3: eval(expr, .GlobalEnv)
where 4: eval(expr, .GlobalEnv)
where 5: withVisible(eval(expr, .GlobalEnv))
where 6: doTryCatch(return(expr), name, parentenv, handler)
where 7: tryCatchOne(expr, names, parentenv, handlers[[1L]])
where 8: tryCatchList(expr, classes, parentenv, handlers)
where 9: tryCatch(expr, error = function(e) {
    call <- conditionCall(e)
    if (!is.null(call)) {
        if (identical(call[[1L]], quote(doTryCatch))) 
            call <- sys.call(-4L)
        dcall <- deparse(call)[1L]
        prefix <- paste("Error in", dcall, ": ")
        LONG <- 75L
        sm <- strsplit(conditionMessage(e), "\n")[[1L]]
        w <- 14L + nchar(dcall, type = "w") + nchar(sm[1L], type = "w")
        if (is.na(w)) 
            w <- 14L + nchar(dcall, type = "b") + nchar(sm[1L], 
                type = "b")
        if (w > LONG) 
            prefix <- paste0(prefix, "\n  ")
    }
    else prefix <- "Error : "
    msg <- paste0(prefix, conditionMessage(e), "\n")
    .Internal(seterrmessage(msg[1L]))
    if (!silent && isTRUE(getOption("show.error.messages"))) {
        cat(msg, file = outFile)
        .Internal(printDeferredWarnings())
    }
    invisible(structure(msg, class = "try-error", condition = e))
})
where 10: try(withVisible(eval(expr, .GlobalEnv)), silent = TRUE)
where 11: evalFunc(ce, options)
where 12: tryCatchList(expr, classes, parentenv, handlers)
where 13: tryCatch(evalFunc(ce, options), finally = {
    cat("\n")
    sink()
})
where 14: driver$runcode(drobj, chunk, chunkopts)
where 15: utils::Sweave(...)
where 16: engine$weave(file, quiet = quiet, encoding = enc)
where 17: doTryCatch(return(expr), name, parentenv, handler)
where 18: tryCatchOne(expr, names, parentenv, handlers[[1L]])
where 19: tryCatchList(expr, classes, parentenv, handlers)
where 20: 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)))
})
where 21: tools:::.buildOneVignette("deSolve.Rnw", "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/deSolve.Rcheck/vign_test/deSolve", 
    TRUE, FALSE, "deSolve", "", "/home/hornik/tmp/scratch/Rtmp9k5tr6/file601826273f49.rds")

 --- value of length: 2 type: logical ---
[1] FALSE  TRUE
 --- function from context --- 
function (obs) 
{
    nobs <- 0
    obs.pos <- NULL
    obsname <- NULL
    if (!is.null(obs)) {
        if (!is.data.frame(obs) & is.list(obs)) {
            Obs <- obs
            obs <- Obs[[1]]
            obs.pos <- matrix(nrow = 1, c(1, nrow(obs)))
            if (!class(obs) %in% c("data.frame", "matrix")) 
                stop("'obs' should be either a 'data.frame' or a 'matrix'")
            if (length(Obs) > 1) 
                for (i in 2:length(Obs)) {
                  obs <- mergeObs(obs, Obs[[i]])
                  obs.pos <- rbind(obs.pos, c(obs.pos[nrow(obs.pos), 
                    2] + 1, nrow(obs)))
                }
            obsname <- colnames(obs)
        }
        else {
            if (is.character(obs[, 1]) | is.factor(obs[, 1])) 
                obs <- convert2wide(obs)
            obsname <- colnames(obs)
            if (!class(obs) %in% c("data.frame", "matrix")) 
                stop("'obs' should be either a 'data.frame' or a 'matrix'")
            obs.pos <- matrix(nrow = 1, c(1, nrow(obs)))
        }
        DD <- duplicated(obsname)
        if (sum(DD) > 0) 
            obs <- mergeObs(obs[, !DD], cbind(obs[, 1], obs[, 
                DD]))
        nobs <- nrow(obs.pos)
    }
    return(list(dat = obs, pos = obs.pos, name = obsname, length = nobs))
}
<bytecode: 0x557e46567930>
<environment: namespace:deSolve>
 --- function search by body ---
Function SetData in namespace deSolve has this body.
 ----------- END OF FAILURE REPORT -------------- 
Fatal error: the condition has length > 1
SUMMARY: processing the following file failed:
  ‘deSolve.Rnw’

Error: Vignette re-building failed.
Execution halted