[R-pkg-devel] Help with R check

Hi all,

*[Issue 1]*

This is the first time I have encountered this, and I have no idea what's
going on. I really appreciate anyone's help on this.

My package: https://cran.r-project.org/package=DataExplorer

My story:

    - *[Jan 01]*
       - I plan to release the latest version to CRAN. I ran all checks
       (including win-builder through *devtools::build_win()*) on my
       package, everything is OK, so I submitted it.
       - The URL for win-builder has expired, but in case you can find the
       check log: https://win-builder.r-project.org/D52z9NcU7633
       - AppVeyor build log:
       https://ci.appveyor.com/project/boxuancui/dataexplorer/build/master.36
       - Travis CI build log:
       https://travis-ci.org/boxuancui/DataExplorer/builds/323730230
    - *[Jan 03]*
       - I was told that I need to update my MIT license file, since I made
       some changes there. I did as told and re-submit the package. I didn't
       change anything.
    - *[Jan 03 (later of the day)]*
       - My package is failing example checks on arch 'i386' for Windows,
       according to
       https://win-builder.r-project.org/incoming_pretest/180103_161227_DataExplorer_050/00check.log
       - Note the example was failing for *split_columns()*.
    - *[Jan 05]*
       - I saw the Email and did another *devtools::build_win()* with no
       changes at all.
       - I received the same error, but on another function, i.e.,
       *set_missing()*.
       - The check log is here:
       https://win-builder.r-project.org/9bKr71mwef11/00check.log
    - *[Jan 05]*
       - After some investigation, I believe it is due to dependency
       versions, so I update DESCRIPTION with latest version for all,
including R
       (was 3.3.0).

       - This time the check log is showing a warning: *checking DESCRIPTION
       meta-information ... WARNING Dependence on R version '3.4.3' not with
       patchlevel 0*.
       - The check log is here:
       https://win-builder.r-project.org/5Px18P21h44a/00check.log

Has anyone encountered this issue before?

*[Issue 2]*

Does anyone know how to remove these warnings for vignettes?
https://cran.r-project.org/web/checks/check_results_DataExplorer.html
They happen on the following systems:

    - r-patched-solaris-x86
    - r-release-osx-x86_64
    - r-oldrel-osx-x86_64

Warning message:

*Warning in engine$weave(file, quiet = quiet, encoding = enc) :*
*     Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back
to R Markdown v1.*
*    Warning in normalizePath(f2) :*
*     path[1]="./webshot3eaf50bf136e.png": No such file or directory*
*    Warning in file(con, "rb") :*
*     cannot open file './webshot3eaf50bf136e.png': No such file or
directory*
*    Quitting from lines 57-68 (dataexplorer-intro.Rmd) *
*    Error: processing vignette 'dataexplorer-intro.Rmd' failed with
diagnostics:*
*    cannot open the connection*
*    Execution halted *


After searching for the same warnings online, I found that vignettes (from
other pakcages) that loads JavaScript files tend to have these. Is there a
way to fix this?


Thank you very much for your time!


Best,
Boxuan (Bo)

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