• using R Under development (unstable) (2026-03-18 r89649)
• using platform: x86_64-apple-darwin20
• R was compiled by     Apple clang version 14.0.0 (clang-1400.0.29.202)     GNU Fortran (GCC) 14.2.0
• running under: macOS Ventura 13.3.1
• using session charset: UTF-8 * current time: 2026-04-01 21:10:27 UTC
• checking for file ‘cnaOpt/DESCRIPTION’ ... OK
• this is package ‘cnaOpt’ version ‘0.5.3’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... ERROR Package required but not available: ‘cna’ See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’ manual.
• DONE Status: 1 ERROR
• using check arguments '--no-clean-on-error '