Specifically on this page, https://it.wikipedia.org/w/index.php?title=Categoria:Aggiornare_-_economia&veaction=edit .
I tried adding all those categories to my sandbox but they work fine there (https://it.wikipedia.org/w/index.php?title=Utente:Elitre_(WMF)/Sandbox_VE&oldid=64431369&veaction=edit ), same if I add the rest of the content of that page.
Version: unspecified
Severity: enhancement
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=72303