when seeing this diff https://fr.wikipedia.org/w/index.php?title=Saint-Girons_(Ariège)&diff=156875793&oldid=156712123
Some users get this kind of error (my result), some users don't
Error
Request ID: XG3fRwpAICEAAJEGYV8AAACI
[XG3fRwpAICEAAJEGYV8AAACI] 2019-02-20 23:14:17: Erreur fatale de type « MWException »
Impact
can't display the diff