Error in re-building vignettes:
  ...
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in gpdmle(data, u[i], corr = TRUE, ...) :
  observed information matrix is singular; passing std.err.type to ``expected''
Warning in clust(ardieres, u = 2, tim.cond = 8/365, clust.max = TRUE) :
  NA's are not allowed in object ``data''.
Replacing them by -1e6 !!!
Warning in clust(ardieres, u = 2, tim.cond = 8/365, clust.max = TRUE) :
  NA's are not allowed in object ``data''.
Replacing them by -1e6 !!!

  Running 'texi2dvi' on 'POT.tex' failed.
LaTeX errors:
! File ended while scanning use of \FancyVerbGetLine.
<inserted text> 
                \par 
<*> \nonstopmode \input ./POT.tex
                                 
! Emergency stop.
<*> \nonstopmode \input ./POT.tex
                                 
*** (job aborted, no legal \end found)

!  ==> Fatal error occurred, no output PDF file produced!
Calls: buildVignettes -> texi2pdf -> texi2dvi
Execution halted