I'm back. (Sorry for that late answer, got a lot of work recently).
1)So, first things first. I'm using OVH (French web provider), ans I assume that they us Linux for their servers. I don't know how to get this information.
2)I have installed Scribunto with MediaWiki 1.35.7, that I put, in a specific file (My server is used first for a website, not for the wiki). So, the way is :
/www/wiki/extensions/Scribunto
There, is all the files from Scribunto.
3)I have modified several things. Because I didn't know what to do, for Scribunto to work. Here's the code from my LocalSettings.php
:
wfLoadExtension( 'Scribunto' );
$wgScribuntoDefaultEngine = 'luastandalone';
$wgScribuntoEngineConf['luastandalone']['errorFile'] = ' /home/hirderr/www/wiki/extensions/Scribunto/file.txt';
I only have change $wgScribuntoDefaultEngine = 'luastandalone';
from 'luastandalone'
to 'luasandbox'
once, to see if there was any change. Nothing change.
I can also say that I have given chmod to the files who needs it, and from that, the extension was load, and able to write, but, I still can't use it.
4)I also have this that comes to all my website pages : Warning: proc_open( /home/hirderr/www/wiki/extensions/Scribunto/file.txt): failed to open stream: No such file or directory in /home/hirderr/www/wiki/extensions/Scribunto/includes/engines/LuaStandalone/LuaStandaloneInterpreter.php on line 153