Error(s) in re-building vignettes:
  ...
--- re-building ‘FLAM_canada.Rnw’ using knitr
Loading required package: mboost
Loading required package: parallel
Loading required package: stabs
This is FDboost 1.0-0. 
Loading required package: splines
Loading required package: Matrix
Loading required package: fds
Loading required package: rainbow
Loading required package: MASS
Loading required package: pcaPP
Loading required package: RCurl

Attaching package: 'fda'

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

    matplot

Loading required package: spam
Loading required package: dotCall64
Loading required package: grid
Spam version 2.6-0 (2020-12-14) 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 object is masked from 'package:Matrix':

    det

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

    backsolve, forwardsolve

See https://github.com/NCAR/Fields for
 an extensive vignette, other supplements and source code 
Loading required package: maps
Loading required package: mapdata
--- finished re-building ‘FLAM_canada.Rnw’

--- re-building ‘FLAM_fuel.Rnw’ using knitr
Loading required package: mboost
Loading required package: parallel
Loading required package: stabs
This is FDboost 1.0-0. 
UVVIS is not centered per column, inducing a non-centered effect.
NIR is not centered per column, inducing a non-centered effect.
Error: processing vignette 'FLAM_fuel.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'FLAM_fuel.tex' failed.
Messages:
Terminated
--- failed re-building ‘FLAM_fuel.Rnw’

--- re-building ‘FLAM_viscosity.Rnw’ using knitr
Loading required package: mboost
Loading required package: parallel
Loading required package: stabs
This is FDboost 1.0-0. 
Use a smooth offset.
Warning in mboost_fit(bl, response = response, weights = weights, offset = offset,  :
  response contains missing values;
 weights of corresponding observations are set to zero and thus these observations are not used for fitting
--- finished re-building ‘FLAM_viscosity.Rnw’

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

Error: Vignette re-building failed.
Execution halted