Database error: Invalid SQL: INSERT INTO webtod_users (visitor_id, http_referer, first_visit, first_calc, last_calc, employer_name, prov_employment, annual_payperiods, calc_reg_cnt, calc_pens_cnt, calc_bonus_cnt, calc_retro_cnt, calc_comm_cnt) VALUES ('', '', NOW(), NOW(), NOW(), '', '', 0, 0, 0, 0, 0, 0)
MySQL Error: 1366 (Incorrect integer value: '' for column 'visitor_id' at row 1)