Preconditions:

• Set APP_ENV=dev

Steps to reproduce

1. Prepare clean installation of Ibexa DXP on v4.6.8 tag
2. Use Migration 01_test_duplicate_relations.yaml
3. Log in to back office as test.editor user:

Login: test.editor
Password: Publish2024! 

1. Go to Content / Content structure and edit content Folder B.

Actual result:

The system thrown an exception with missing permissions to access an attribute "mainLocationId".

Impossible to access an attribute ("mainLocationId") on a null variable. 

Expected result:

User assigned to Editors group can edit content Folder B.