Function error

Dear Concern,

ERROR:  syntax error at or near "create_catexp_ss_1"

LINE 38:  create_catexp_ss_1;

          ^

********** Error **********

ERROR: syntax error at or near "create_catexp_ss_1"

SQL state: 42601

Character: 1104

-- Function: create_catexp_ss_master()

-- DROP FUNCTION create_catexp_ss_master();

CREATE OR REPLACE FUNCTION create_catexp_ss_master()

  RETURNS void AS

$BODY$

DECLARE

-- Build snapshot tables for catalog itme exposure.

-- Versions:

-- 2013.1 hxu T11464 - Two Table Catalog Snap Shot Process. 02/27/13

-- 2013.02 hxu T11899 - Remove the Single Supplier check box from Screen and from the Code. 05/23/13

--

                v_count_before bigint;

                v_count_after bigint;

                v_start_time timestamp;

                v_err_msg varchar(1000);

                v_set_name varchar(10);                                                                   

BEGIN

                v_set_name:=ssj4_snapshot_pkg.get_inactive_ss_set_name;

                SELECT LOCALTIMESTAMP INTO v_start_time ;

                if v_set_name='A' then

                                SELECT count(1) INTO v_count_before FROM pcat_exp_supp_buyer_ss_a;

                else

                                SELECT count(1) INTO v_count_before FROM pcat_exp_supp_buyer_ss_b;

                end if;

                -- Remove old data.

                EXECUTE 'truncate table pcat_exp_supp_buyer_ss_'||v_set_name;

                EXECUTE 'truncate table pcat_exp_supp_cat_buyer_ss_'||v_set_name;

                -- Exposure for single supplier without category filtering              

                create_catexp_ss_1;

                -- Exposure for single supplier with category filtering     

                create_catexp_ss_2;

                if v_set_name='A' then

                                SELECT count(1) INTO v_count_after FROM pcat_exp_supp_buyer_ss_a;

                else

                                SELECT count(1) INTO v_count_after FROM pcat_exp_supp_buyer_ss_b;

                end if;

                -- Log

                create_ss_log('Catalog Exposure', v_start_time, 'pcat_exp_supp_buyer_ss_'||v_set_name,

                                v_count_before, v_count_after, null);

exception            -- log error

                when others then

                v_err_msg := SQLERRM;

                create_ss_log('Catalog Exposure - Error', v_start_time, 'pcat_exp_supp_buyer_ss_'||v_set_name,

                                                v_count_before, v_count_after, v_err_msg);

END;

$BODY$

  LANGUAGE plpgsql VOLATILE SECURITY DEFINER

  COST 100;

ALTER FUNCTION create_catexp_ss_master()

  OWNER TO postgres;