Error(s) in re-building vignettes:
  ...
--- re-building ‘rtkpp-Arrays.Rnw’ using Sweave
Loading required package: Rcpp

Attaching package: ‘rtkore’

The following object is masked from ‘package:Rcpp’:

    LdFlags

--- finished re-building ‘rtkpp-Arrays.Rnw’

--- re-building ‘rtkpp-ArraysQuickRef.Rnw’ using Sweave
Loading required package: Rcpp

Attaching package: ‘rtkore’

The following object is masked from ‘package:Rcpp’:

    LdFlags

--- finished re-building ‘rtkpp-ArraysQuickRef.Rnw’

--- re-building ‘rtkpp-Introduction.Rnw’ using Sweave
Loading required package: Rcpp

Attaching package: ‘rtkore’

The following object is masked from ‘package:Rcpp’:

    LdFlags

--- finished re-building ‘rtkpp-Introduction.Rnw’

--- re-building ‘rtkpp-Tips.Rnw’ using Sweave
Loading required package: Rcpp

Attaching package: ‘rtkore’

The following object is masked from ‘package:Rcpp’:

    LdFlags

--- finished re-building ‘rtkpp-Tips.Rnw’

--- re-building ‘rtkpp-Utilities.Rnw’ using Sweave
Loading required package: Rcpp

Attaching package: ‘rtkore’

The following object is masked from ‘package:Rcpp’:

    LdFlags

Error: processing vignette 'rtkpp-Utilities.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘rtkpp-Utilities.tex’ failed.
LaTeX errors:
! LaTeX Error: Unknown float option `H'.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Unknown float option `H'.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Unknown float option `H'.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Unknown float option `H'.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
--- failed re-building ‘rtkpp-Utilities.Rnw’

SUMMARY: processing the following file failed:
  ‘rtkpp-Utilities.Rnw’

Error: Vignette re-building failed.
Execution halted