Error (exception) on project page after removing an alias

Description

If the project maintainer removes an alias from the project language settings, when the project page is re-rendered there is an error

1. Sign in as a project maintainer (not admin)
2. Go to the project, click Settings, click Languages
3. Click the dropdown on a language, select Add Alias
4. Enter an alias, press Set Alias
5. Click the dropdown on the same language, select Remove Alias

Environment

Integration/master, linux, chrome

Status

Assignee

Alex Eng

Reporter

Damian Jansen

Labels

Tested Version/s

None

Sprint

None

Fix versions

Affects versions

server-3.8.0

Priority

High