Revoking sessions is disabled on this site
DELETE /api/account/sessions/[id] returned 403 Revoking sessions is disabled on this site. when isSessionTerminateAllowed() is false.
Why this happens
Admin security setting turns off member session terminate. Distinct from Session not found (Phase 62) or Could not revoke session.
Diagnose and fix
1. Admin: enable session terminate / revoke in security mods settings.
2. Member: use password change / sign-out-all only if those remain available.
3. See Active sessions / Editable session list.
4. See Delete old sessions after for related session policy.