Not seeing notifications on https://app.paris.happy-dev.fr/

If I access https://api.paris.happy-dev.fr/users/alex/inbox/ I see:

Screenshot_from_2020-02-24_13-50-45

If I access https://api.test-paris.happy-dev.fr/check-user/ I see: Screenshot_from_2020-02-24_13-54-45

Edited by Ghost User