Error on installation process (MED optional package )

Also if I were to say,
I hope you will add information that
""after installation process, you have to runs the code:

export LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"

.
Otherwise, sometimes error occured in preprocessing process.

Please look here: https://discourse.simvia-app.fr/t/error-in-calculation-stage/1961/1