[Bioc-devel] fail to build a package after updating Bioconductor packages

Hi,

I am very new in developing bioconductor packages, and had an annoying
problem yesterday afternoon. I wrote a package named sscu and it used to
have no problem to build a tarball, and I plan to submit it to Bioconductor
very soon. But yesterday after I updated my bioconductor packages using the
command

source("https://bioconductor.org/biocLite.R")

biocLite()

I got errors when building my package

yu at molev32-23:~/r_packages> R CMD build sscu

* checking for file ?sscu/DESCRIPTION? ... OK
* preparing ?sscu?:
* checking DESCRIPTION meta-information ... OK
* installing the package to process help pages
* saving partial Rd database
* creating vignettes ... ERROR
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc is not available. Please
install both.
Warning in readLines(con) : incomplete final line found on 'sscu.Rmd'
Error: processing vignette 'sscu.Rmd' failed with diagnostics:
It seems you should call rmarkdown::render() instead of knitr::knit2html()
because sscu.Rmd appears to be an R Markdown v2 document.
Execution halted

Is there someone can explain what is the problem here? Thanks!

Best
Yu


-- 
Yu Sun
Department of Cell and Molecular Biology
BMC, Uppsala University
Sweden

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