Google finds this:
https://www.mediawiki.org/wiki/Thread:Extension_talk:VisualEditor/Visual_Ed…
But no answer there.
The same error the user gets with 'edit source'.
Bests, Markus
Am 16.01.2016 um 08:32 schrieb Markus:
Dear developers,
with actual Mediawiki
one user get this error by saving an edited page:
(with Visual Editor)
"Something went wrong
Unknown error
Dismiss"
What may be the cause?
How to investigate?
For me everything works fine...
Bests, Markus
(now without screenshot)