Error looging on Table in PLSQL Oracle 11g Feature

CREATE TABLE TEST(

  id           NUMBER(10)    NOT NULL,

  code         VARCHAR2(10)  NOT NULL,

  description  VARCHAR2(50),

  CONSTRAINT dest_pk PRIMARY KEY (id)

);

-- Create the error logging table.

BEGIN

  DBMS_ERRLOG.create_error_log (dml_table_name => 'TEST');

END;

It will create ERR$_TEST new table

INSERT INTO TEST

SELECT *

FROM   source

LOG ERRORS INTO err$_test ('INSERT') REJECT LIMIT UNLIMITED;

SELECT ora_err_number$, ora_err_mesg$

FROM   err$_test

WHERE  ora_err_tag$ = 'INSERT';