Error(s) in re-building vignettes:
  ...
--- re-building ‘pcalgDoc.Rnw’ using Sweave
Loading required package: Rgraphviz
Loading required package: graph
Loading required package: BiocGenerics
Loading required package: parallel

Attaching package: ‘BiocGenerics’

The following objects are masked from ‘package:parallel’:

    clusterApply, clusterApplyLB, clusterCall, clusterEvalQ,
    clusterExport, clusterMap, parApply, parCapply, parLapply,
    parLapplyLB, parRapply, parSapply, parSapplyLB

The following objects are masked from ‘package:stats’:

    IQR, mad, sd, var, xtabs

The following objects are masked from ‘package:base’:

    Filter, Find, Map, Position, Reduce, anyDuplicated, append,
    as.data.frame, basename, cbind, colnames, dirname, do.call,
    duplicated, eval, evalq, get, grep, grepl, intersect,
    is.unsorted, lapply, mapply, match, mget, order, paste, pmax,
    pmax.int, pmin, pmin.int, rank, rbind, rownames, sapply,
    setdiff, sort, table, tapply, union, unique, unsplit, which,
    which.max, which.min

Loading required package: grid
The input graph is not a valid cpdag. See function isValidGraph() for details.

No need to specify 'p', when 'labels' is given
Error: processing vignette 'pcalgDoc.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘pcalgDoc.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.115 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.115 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.115 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.115 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.115 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.115 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.115 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.115 \begin{document}
                      
--- failed re-building ‘pcalgDoc.Rnw’

--- re-building ‘vignette2018.Rnw’ using Sweave
Loading required package: Rgraphviz
Loading required package: graph
Loading required package: BiocGenerics
Loading required package: parallel

Attaching package: 'BiocGenerics'

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

    clusterApply, clusterApplyLB, clusterCall, clusterEvalQ,
    clusterExport, clusterMap, parApply, parCapply, parLapply,
    parLapplyLB, parRapply, parSapply, parSapplyLB

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

    IQR, mad, sd, var, xtabs

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

    Filter, Find, Map, Position, Reduce, anyDuplicated, append,
    as.data.frame, basename, cbind, colnames, dirname, do.call,
    duplicated, eval, evalq, get, grep, grepl, intersect, is.unsorted,
    lapply, mapply, match, mget, order, paste, pmax, pmax.int, pmin,
    pmin.int, rank, rbind, rownames, sapply, setdiff, sort, table,
    tapply, union, unique, unsplit, which, which.max, which.min

Loading required package: grid
Loading required namespace: dagitty
Loading required package: igraph

Attaching package: 'igraph'

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

    degree, edges, intersection, union

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

    normalize, path, union

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

    decompose, spectrum

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

    union

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Graph is not amenable

Loading required package: ggplot2
--- finished re-building 'vignette2018.Rnw'

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

Error: Vignette re-building failed.
Execution halted