Requested in an email from Galien Renault with title "Retour
livraison interface consulaire" document "Retour livraison Interface
Consulaire ERP5.pdf", part 3.2.2c page 10

- Il devrait être impossible de crée"New Event" pour un
ticket au statut "Closed"

This action is not suppose to work, because they should a new post in the Suppport Request instead of a new event directly.