LaTeXRuntimeException: Impossible to compile ‘/opt/indico/tmp/indico-texgen-3F1FR6/book_of_abstracts.tpl.tex’. Read ‘/opt/indico/tmp/indico-texgen-3F1FR6/output.log’ for details
Hello,
As the message suggests, have tried to have a look at the output.log?
Yes but the log is emty
What about the other files in there? I think there’s one additional .log file in there that may be more useful.
Also, did you install texlive on the server at some point? You can check if it runs properly with /opt/texlive/bin/x86_64-linux/xelatex -version
Hello guys,
i had similar issue when tried to export contribution in PDF format.
I followed @ThiefMaster suggestion, and the output is:
indico@agenda:~$ /opt/texlive/bin/x86_64-linux/xelatex -version
/opt/texlive/bin/x86_64-linux/xelatex: error while loading shared libraries: libfontconfig.so.1: cannot open shared object file: No such file or directory
So I googled the error to find solutions and somwhere I read to install libfontconfig1. After I installed this package in output.log file there was an error said:
This is XeTeX, Version 3.14159265-2.6-0.99998 (TeX Live 2017) (preloaded format=xelatex)
I can't find the format file `xelatex.fmt'!
I googled again and I found this conversation https://tex.stackexchange.com/a/23166. So I did
/opt/texlive/bin/x86_64-linux/fmtutil-sys --all
And finally pdf export works.
I hope that what i did is right, and will help someone else.
Regards.
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this does not works 
This is error:
Transcript written on cslatex.log.
fmtutil [INFO]: /opt/texlive/texmf-var/web2c/pdftex/cslatex.fmt installed.
fmtutil [ERROR]: running `xetex -ini -jobname=xetex -progname=xetex -etex xetex.ini </dev/null' return status 127
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `luatex -ini -jobname=luatex -progname=luatex luatex.ini </dev/null' return status 1
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `luajittex -ini -jobname=luajittex -progname=luajittex luatex.ini </dev/null' return status 1
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `luatex -ini -jobname=lualatex -progname=lualatex lualatex.ini </dev/null' return status 1
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `xetex -ini -jobname=cont-en -progname=context -8bit *cont-en.mkii </dev/null' return status 127
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `xetex -ini -jobname=xelatex -progname=xelatex -etex xelatex.ini </dev/null' return status 127
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `luatex -ini -jobname=dvilualatex -progname=dvilualatex dvilualatex.ini </dev/null' return status 1
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `xetex -ini -jobname=pdfcsplain -progname=pdfcsplain -etex csplain.ini </dev/null' return status 127
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `luatex -ini -jobname=pdfcsplain -progname=pdfcsplain -etex csplain.ini </dev/null' return status 1
fmtutil [ERROR]: return error due to options --strict
fmtutil [ERROR]: running `luatex -ini -jobname=dviluatex -progname=dviluatex dviluatex.ini </dev/null' return status 1
fmtutil [ERROR]: return error due to options --strict
fmtutil [INFO]: Disabled formats: 6
fmtutil [INFO]: Successfully rebuilt formats: 34
fmtutil [INFO]: Failed to build: 10 (xetex/xetex luatex/luatex luajittex/luajittex luatex/lualatex xetex/cont-en xetex/xelatex luatex/dvilualatex xetex/pdfcsplain luatex/pdfcsplain luatex/dviluatex)
fmtutil [INFO]: Total formats: 50
fmtutil [INFO]: exiting with status 10
Thank you very much! It works now! 
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