Bug === 1. Login as Demo user (no admin access right) 2. Grant the portal access to a partner 3. Revoke the access An access error is raised. Task 2501250 closes odoo/odoo#70554 X-original-commit: bc7f8733561992e3b240f34c0cbd17a0cb76d3cd Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>