i d'ont speak english   ....:)

hi,
I'm new in your community
I just downloaded and uploaded elgg in my website to install.
the first stage all .. spent many successful connection in BDD. (data base)
in 2nd stage installation bloked with error message is "Your data directory / www / up / me / is not writable. "

I tried several times to create the folder and give the permission "chmod 777 .. 755 .." "but it's still not ..

I would like to know how to poursuive installations. .

Thank you in advance:)