• using R Under development (unstable) (2023-02-04 r83759)
• using platform: x86_64-pc-linux-gnu (64-bit)
• R was compiled by
      gcc-12 (Debian 12.2.0-14) 12.2.0
      GNU Fortran (Debian 12.2.0-14) 12.2.0
• running under: Debian GNU/Linux bookworm/sid
• using session charset: UTF-8
• checking for file ‘sequenza/DESCRIPTION’ ... OK
• this is package ‘sequenza’ version ‘3.0.0’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... ERROR
  Package required but not available: ‘copynumber’
  
  See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
  manual.
• DONE

Status: 1 ERROR