• using R version 4.3.0 (2023-04-21)
• using platform: x86_64-apple-darwin20 (64-bit)
• R was compiled by
      Apple clang version 14.0.3 (clang-1403.0.22.14.1)
      GNU Fortran (GCC) 12.2.0
• running under: macOS Ventura 13.3
• using session charset: UTF-8
• checking for file ‘GMMAT/DESCRIPTION’ ... OK
• this is package ‘GMMAT’ version ‘1.4.0’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... ERROR
  Package required but not available: ‘SeqVarTools’
  
  See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
  manual.
• DONE
  Status: 1 ERROR
• using check arguments '--no-clean-on-error '