Puis celui-ci
Warning: ZipArchive::extractTo(/home/www/6126fe792f27fc0dc2d419efc05dfaa5/web/core/packages//core/manifest.php) [ziparchive.extractto]: failed to open stream: Permission denied in /home/www/6126fe792f27fc0dc2d419efc05dfaa5/web/core/xpdo/compression/xpdozip.class.php on line 142
The install failed because MODX could not unpack the /home/www/6126fe792f27fc0dc2d419efc05dfaa5/web/core/packages/core.transport.zip package. Make sure that the /home/www/6126fe792f27fc0dc2d419efc05dfaa5/web/core/packages/core.transport.zip file exists and is writable, and that you have made the /home/www/6126fe792f27fc0dc2d419efc05dfaa5/web/core/packages/ directory writable.