Error in re-building vignettes:
  ...
Loading required package: gamlss.dist
Loading required package: MASS
Loading required package: gamlss
Loading required package: splines
Loading required package: gamlss.data
Loading required package: nlme
Loading required package: parallel
 **********   GAMLSS Version 5.0-2  ********** 
For more on GAMLSS look at http://www.gamlss.org/
Type gamlssNews() to see new features/changes/bug fixes.

Loading required package: gamlss.add
Loading required package: mgcv
This is mgcv 1.8-18. For overview type 'help("mgcv-package")'.
Loading required package: nnet

Attaching package: 'nnet'

The following object is masked from 'package:mgcv':

    multinom

Loading required package: rpart
Loading required package: spam
Loading required package: dotCall64
Loading required package: grid
Spam version 2.1-1 (2017-07-02) is loaded.
Type 'help( Spam)' or 'demo( spam)' for a short introduction 
and overview of this package.
Help for individual functions is also obtained by adding the
suffix '.spam' to the function name, e.g. 'help( chol.spam)'.

Attaching package: 'spam'

The following objects are masked from 'package:base':

    backsolve, forwardsolve

Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in additive.fit(x = X, y = wv, w = wt * w, s = s, who = who, smooth.frame,  :
  additive.fit convergence not obtained in  30  iterations
Warning in term.plot(m2final, what = "mu", ylim = "free") :
  interactions have been taken out from the plots
Warning in term.plot(m2final, what = "mu", ylim = "free") :
  no polygon information is given, null plot is produced
Warning in term.plot(m2, what = "mu", ylim = "free") :
  no polygon information is given, null plot is produced
Warning in if (scheme == "lines") { :
  the condition has length > 1 and only the first element will be used
Warning in if (scheme == "lines") { :
  the condition has length > 1 and only the first element will be used
Warning in if (scheme == "lines") { :
  the condition has length > 1 and only the first element will be used
Warning in panel(x[id], y[id], col = col[id], pch = pch[id], ...) :
  Some points are missed out 
increase the y limits using ylim.worm
Error in texi2dvi(file = file, pdf = TRUE, clean = clean, quiet = quiet,  : 
  Running ‘texi2dvi’ on ‘GAMLSS_GMRF.tex’ failed.
BibTeX errors:
The top-level auxiliary file: GAMLSS_GMRF.aux
The style file: plainnat.bst
I couldn't open database file Book-2016.bib
---line 144 of file GAMLSS_GMRF.aux
 : \bibdata{Book-2016
 :                   }
I'm skipping whatever remains of this command
I found no database files---while reading file GAMLSS_GMRF.aux
Calls: buildVignettes -> texi2pdf -> texi2dvi
Execution halted