Found the following files/directories:
  'fit.mod6.ps' 'res.mod6d.ps'
Found the following files/directories:
  ‘fit.mod6.ps’ ‘res.mod6d.ps’
Error(s) in re-building vignettes:
--- re-building ‘ilc.Rnw’ using Sweave
Error: processing vignette 'ilc.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'ilc.tex' failed.
LaTeX errors:
! Undefined control sequence.
l.857 \setcaptionwidth
                      {0.85\textwidth}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
! Missing number, treated as zero.
<to be read again> 
                   }
l.857 \setcaptionwidth{0.85\textwidth}
                                      
! Illegal unit of measure (pt inserted).
<to be read again> 
                   }
l.857 \setcaptionwidth{0.85\textwidth}
                                      
--- failed re-building ‘ilc.Rnw’

SUMMARY: processing the following file failed:
  ‘ilc.Rnw’

Error: Vignette re-building failed.
Execution halted
Found the following files/directories:
  ‘fit.mod6.ps’ ‘res.mod6d.ps’
Error(s) in re-building vignettes:
--- re-building ‘ilc.Rnw’ using Sweave
Error: processing vignette 'ilc.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'ilc.tex' failed.
LaTeX errors:
! Undefined control sequence.
l.857 \setcaptionwidth
                      {0.85\textwidth}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
! Missing number, treated as zero.
<to be read again> 
                   }
l.857 \setcaptionwidth{0.85\textwidth}
                                      
! Illegal unit of measure (pt inserted).
<to be read again> 
                   }
l.857 \setcaptionwidth{0.85\textwidth}
                                      
--- failed re-building ‘ilc.Rnw’

SUMMARY: processing the following file failed:
  ‘ilc.Rnw’

Error: Vignette re-building failed.
Execution halted
Found the following files/directories:
  ‘fit.mod6.ps’ ‘res.mod6d.ps’
Packages required but not available:
  'demography', 'rainbow', 'forecast', 'date'

See section 'The DESCRIPTION file' in the 'Writing R Extensions'
manual.
Found the following files/directories:
  ‘fit.mod6.ps’ ‘res.mod6d.ps’
Found the following files/directories:
  ‘fit.mod6.ps’ ‘res.mod6d.ps’