On 03.04.2019 14:14, CRAN submission wrote:

Dear maintainer,
 
package airGR_1.2.13.13.tar.gz does not pass the incoming checks automatically, please see the following pre-tests:
Windows: <https://win-builder.r-project.org/incoming_pretest/airGR_1.2.13.13_20190403_135851/Windows/00check.log>
Status: 1 WARNING
Debian: <https://win-builder.r-project.org/incoming_pretest/airGR_1.2.13.13_20190403_135851/Debian/00check.log>
Status: 1 WARNING
 
Last released version's CRAN status: OK: 12
See: <https://CRAN.R-project.org/web/checks/check_results_airGR.html>
 
CRAN Web: <https://cran.r-project.org/package=airGR>
 
Please fix all problems and resubmit a fixed version via the webform.
If you are not sure how to fix the problems shown, please ask for help on the R-package-devel mailing list:
<https://stat.ethz.ch/mailman/listinfo/r-package-devel>
If you are fairly certain the rejection is a false positive, please reply-all to this message and explain.
 
More details are given in the directory:
<https://win-builder.r-project.org/incoming_pretest/airGR_1.2.13.13_20190403_135851/>
The files will be removed after roughly 7 days.
 
*** Strong rev. depends ***: airGRteaching
 
Best regards,
CRAN teams' auto-check service
Flavor: r-devel-linux-x86_64-debian-gcc, r-devel-windows-ix86+x86_64
Check: CRAN incoming feasibility, Result: Note_to_CRAN_maintainers
  Maintainer: 'Olivier Delaigue <airGR@irstea.fr>'

Flavor: r-devel-windows-ix86+x86_64
Check: whether package can be installed, Result: WARNING
  Found the following significant warnings:
    Warning: GNU Extension: Different type kinds at (1)
  See 'd:/RCompile/CRANincoming/R-devel/airGR.Rcheck/00install.out' for details.

Flavor: r-devel-linux-x86_64-debian-gcc
Check: whether package can be installed, Result: WARNING
  Found the following significant warnings:
    Warning: GNU Extension: Different type kinds at (1)
  See '/srv/hornik/tmp/CRAN/airGR.Rcheck/00install.out' for details.