Error(s) in re-building vignettes:
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--- re-building ‘NAPPA.Snw’ using Sweave
Loading required package: NAPPA
Loading required package: plyr
Loading required package: NanoStringNorm
Loading required package: gdata
gdata: read.xls support for 'XLS' (Excel 97-2004) files ENABLED.

gdata: Unable to load perl libaries needed by read.xls()
gdata: to support 'XLSX' (Excel 2007+) files.

gdata: Run the function 'installXLSXsupport()'
gdata: to automatically download and install the perl
gdata: libaries needed to support Excel XLS and XLSX formats.

Attaching package: ‘gdata’

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    nobs

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    object.size

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    startsWith

Loading required package: vsn
Loading required package: Biobase
Loading required package: BiocGenerics
Loading required package: parallel

Attaching package: ‘BiocGenerics’

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    clusterExport, clusterMap, parApply, parCapply, parLapply,
    parLapplyLB, parRapply, parSapply, parSapplyLB

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

    combine

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

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    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

Welcome to Bioconductor

    Vignettes contain introductory material; view with
    'browseVignettes()'. To cite Bioconductor, see
    'citation("Biobase")', and for packages 'citation("pkgname")'.

Loading required package: XML
Error: processing vignette 'NAPPA.Snw' failed with diagnostics:
Running 'texi2dvi' on 'NAPPA.tex' failed.
LaTeX errors:
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
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! Paragraph ended before \@tempa was complete.
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                   \par 
l.81 
     
! Paragraph ended before \@tempa was complete.
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                   \par 
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! Paragraph ended before \@tempa was complete.
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! Paragraph ended before \@tempa was complete.
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                   \par 
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! File ended while scanning use of \@tempa.
<inserted text> 
                \par 
<*> \nonstopmode \input ./NAPPA.tex
                                   
! Emergency stop.
<*> \nonstopmode \input ./NAPPA.tex
                                   
*** (job aborted, no legal \end found)

!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘NAPPA.Snw’

SUMMARY: processing the following file failed:
  ‘NAPPA.Snw’

Error: Vignette re-building failed.
Execution halted