Error Code: 2014 Commands out of sync; you can't run this command now

[Archana Chaudhary]

Hello All,

I got the error code 2014 when execute following procedure.

BEGIN
declare v_key varchar(50);
declare v_type varchar(50);
declare v_value varchar(50);
declare v_time bigint;
declare v_finished int;
declare var varchar(50);
declare c1 cursor for
select replace(key_,'"',''), replace(type,'"',''),replace(value,'"','') from configcsv;
DECLARE CONTINUE HANDLER FOR NOT found set v_finished =1;

DECLARE EXIT HANDLER FOR SQLEXCEPTION
BEGIN
ROLLBACK;
RESIGNAL;
END;
DECLARE EXIT HANDLER FOR 1062
BEGIN
ROLLBACK;
select concat ('Duplicat key for',v_value);
END;
DECLARE EXIT HANDLER FOR 45000
BEGIN
ROLLBACK;
RESIGNAL;
END;
set v_time = unix_timestamp(curdate());
OPEN C1;
get_order: LOOP
fetch c1 into v_key,v_type,v_value;
select concat(v_type,v_value);
If v_finished =1 THEN
LEAVE get_order;
END IF;
if v_key = '' then
set v_key = replace(lower(v_value),' ','');
end if;
select count(1) into var from ConstantConfiguration_test where configkey = lower(v_type)
;
if var = 0 and lower(v_type) <> "default" then
Select concat('No key for ',v_type);
SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'No key for ';
else
insert into ConstantConfiguration_test(configkey,configtype,configvalue,createdon,deleted,modifiedon)
values (lower(v_key),lower(v_type),v_value,v_time,0,v_time);
end if;
END LOOP;
CLOSE C1;


when in configsv having 30 records it run smoothly if having 35 -45 records it start throughing error.

Not getting what is the issue.
Kindly help