Problem
From /organizations, opening an org navigates to /organizations/{id}/members. Using the browser Back button did not return to /organizations; it went to /organizations/{id}, which immediately redirected to members again.

Cause
The index route used <Navigate to="members" />, which does a push. History became: list → org index → members. Back went to the org index, which redirected to members again.

Change
Use <Navigate to="members" replace /> so the org index entry is replaced by members. History is now: list → members. Back correctly returns to the org list.