After upgrading to 5.13, people who were granted access as "commenter" (that is, their comment appeared without my moderation) report that they cannot comment anymore: they receive a message saying
Errore nell'invio del commento
Il tuo commento non è stato salvato per il seguente motivo:
La sesión ha caducado. Por favor, identifíquese de nuevo para comentar.
The first two lines are in Italian, and I wrote them in a template; they say "Error in sending comment. Your comment was not saved for the following reason"
The third line is in Spanish, and means 'Your session has expired. Please sign in again to comment.'
(I think that I got some error message in Spanish since version 2.x. I never understood why, since I installed it in English, but I never bothered to check what happens: usually an Italian person may grasp the meaning of a Spanish sentence)
The commenters tried to log out and log in again; they are actually logged, so it is not a password issue, but the problem remains. The permissions and profile seem also ok, btw.
Is the problem known? Do you have any idea, besides trying to disable the old names and recreate them?
Reported on Movable Type 5