When I pg_restore I get errors. Postgres version : PostgreSQL 9.4.0 on x86_64-unknown-linux-gnu, compiled by gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2, 64-bit plv8.version : 1.5.0-dev1 pg_restore: processing item 2532 OPERATOR | pg_restore: creating OPERATOR | pg_restore: processing item 2533 OPERATOR | pg_restore: creating OPERATOR | pg_restore: processing item 2536 OPERATOR |> pg_restore: creating OPERATOR |> pg_restore: processing item 2537 OPERATOR |> pg_restore: creating OPERATOR |> pg_restore: [archiver (db)] Error from TOC entry 2537; 2617 27562 OPERATOR |> employeeDB pg_restore: [archiver (db)] could not execute query: ERROR: argument of commutator must be a name Command was: CREATE OPERATOR |> ( PROCEDURE = plv8x.json_eval, LEFTARG = plv8x.json, RIGHTARG = text, COMMUTATOR = 27561 ... pg_restore: processing item 2534 OPERATOR ~ pg_restore: creating OPERATOR ~ pg_restore: processing item 2540 OPERATOR ~> pg_restore: creating OPERATOR ~> pg_restore: [archiver (db)] Error from TOC entry 2540; 2617 27566 OPERATOR ~> employeeDB pg_restore: [archiver (db)] could not execute query: ERROR: argument of commutator must be a name Command was: CREATE OPERATOR ~> ( PROCEDURE = plv8x.json_eval_ls, LEFTARG = plv8x.json, RIGHTARG = text, COMMUTATOR = 275... pg_restore: processing item 2535 OPERATOR ~~ pg_restore: creating OPERATOR ~~ pg_restore: processing item 2670 OPERATOR CLASS gist__int_ops pg_restore: creating OPERATOR CLASS gist__int_ops pg_restore: processing item 347 TABLE account_setting pg_restore: creating TABLE account_setting pg_restore: processing item 348 SEQUENCE account_setting_id_seq pg_restore: creating SEQUENCE account_setting_id_seq pg_restore: processing item 4780 SEQUENCE OWNED BY account_setting_id_seq pg_restore: creating SEQUENCE OWNED BY account_setting_id_seq -- Sent from: http://www.postgresql-archive.org/PostgreSQL-admin-f2076596.html