Duplicate LanguageBranches for same content cause site startup failure

Found in

EPiServer.CMS.Core 12.18.0

Fixed in

EPiServer.CMS.Core 12.19.1

(Or a related package)

Created

Sep 21, 2023

Updated

Oct 20, 2023

Area

CMS Core

State

Closed, Fixed and tested


Description

Fixed an issue that cause a site failure if you had two LanguageBranches yi and yid which both resolved to same CultureInfo.Name ('yi'). The exception said, The source argument contains duplicate keys.