* using log directory 'd:/RCompile/CRANincoming/R-devel/cairovolt.Rcheck'
* using R Under development (unstable) (2026-06-09 r90126 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.3.0
    GNU Fortran (GCC) 14.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* current time: 2026-06-10 13:25:24 UTC
* checking for file 'cairovolt/DESCRIPTION' ... ERROR
Required field missing or empty:
  'Author'
* DONE
Status: 1 ERROR