r - LyX 2.1.1 fails to compile knitr-manual.lyx -

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lyx 2.1.1 fails compile knitr-manual.lyx , knitr-graphics.lyx (currently installed knitr version 1.6).

the error not (i.e. lyx: cannot convert file -- see screenshot). related file-permission bits? how should go it?

enter image description here

maybe of interest,

sys.getlocale() [1] "lc_ctype=en_us.utf-8;lc_numeric=c;lc_time=en_us.utf-8;lc_collate=c;lc_monetary=en_us.utf-8;lc_messages=en_us.utf-8;lc_paper=en_us.utf-8;lc_name=c;lc_address=c;lc_telephone=c;lc_measurement=en_us.utf-8;lc_identification=c"

update

from message pane, there indeed error line:

12:28:16.235: quitting lines 93-93 (/tmp/lyx_tmpdir.gwilgtom2017/lyx_tmpbuf1/knitr-graphics.rnw)  12:28:16.238: error in loadnamespace(name) : there no package called 'cairo' 12:28:16.241: calls: knit ... trycatch -> trycatchlist -> trycatchone -> <anonymous> 12:28:16.244:  12:28:16.247: execution halted

no cairo? mean in contect of knitr , lyx/latex?

r missing "cairo" package. , "tikzdevice" package well. installing two, via

install.packages("cairo", dep = true) install.packages("tikzdevice", dep = true)

resolved issues. @ least, there no compilation error related missing packages anymore.


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