I really appreciate your reply!
I solved that issue sadly by updating directly on /edx/app/insights/edx_analytics_dashboard/analytics_dashboard/settings/base.py It looks like restarting the insights will not load any changes… (very weird… anyway).
Right now i am having another issue which is:
invalid_request The requested redirect didn't match the client settings.
I tried with the troubleshoting section here: https://openedx-deployment.doc.opencraft.com/en/latest/analytics/insights/#oauth2
The links are all good… But still getting that error… 