[ovirt-users] restore Self-Hosted Engine

hi, I follow this doc https://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Resto... But like others, i can't restore database I Have : pg_restore: [archiver (db)] Error while PROCESSING TOC: pg_restore: [archiver (db)] Error from TOC entry 7397; 0 0 COMMENT EXTENSION plpgsql pg_restore: [archiver (db)] could not execute query: ERROR:  must be owner of extension plpgsql     Command was: COMMENT ON EXTENSION plpgsql IS 'PL/pgSQL procedural language'; .. ... Any solution ? emmanuel