On 12/22/2016 09:25 AM, herve(a)drivrsdu.fr wrote:
Fatal error: Class 'Wikimedia\ScopedCallback'
not found in
/home/drivrsdu/www/nvdicof/w/includes/session/SessionBackend.php on line
How did you download MediaWiki? I'm assuming you used git, since that
class is included in the tarball.
You need to make sure you update the "vendor" directory, either by
updating the git clone or re-running composer. See
for more details.