Mysql after insert trigger is giving error - mysql

Question

I have written below after insert trigger and it didnt give me any error. But whenever I am trying to insert data into sept18.test I am getting below error
Error Code: 1442. Can't update table 'test' in stored function/trigger
because it is already used by statement which invoked this stored
function/trigger. 0.000 sec
Can someone please help me with this error. Thank you in adavance.
-- SELECT * FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME = 'TR_ORDERS_INS'
DROP TRIGGER IF EXISTS TR_ORDERS_INS;
DELIMITER $$
CREATE TRIGGER TR_ORDERS_INS
AFTER INSERT ON sept18.test for each row
BEGIN
DECLARE MAX_DATE1 DATETIME;
IF EXISTS
(
select 1 from ept18.test O
where O.STOREID = NEW.STOREID
AND O.ITEMID = NEW.ITEMID
AND O.ORDERDATE = NEW.ORDERDATE
)
THEN
SET MAX_DATE1 = (SELECT max(DateTimeStamp)
from sept18.test
where itemid = NEW.itemid
and storeid = NEW.storeid
and OrderDate = NEW.orderdate);
INSERT INTO sep18kentest.orders_history
(ORDERID,STOREID,ITEMID,ORDERDATE,QUANTITY,BONUSBUCK,FLATBONUSBUCK,PRICE,STOREPRICE,PRICEOVERRIDE,
PRICEOVERRIDEFLAG,DIRECTSHIPFLAG,FREEITEMFLAG,SRP,DATETIMESTAMP,RECORDNUMBER)
SELECT ORDERID,STOREID,ITEMID,ORDERDATE,QUANTITY,BONUSBUCK,FLATBONUSBUCK,PRICE,STOREPRICE,PRICEOVERRIDE,
PRICEOVERRIDEFLAG,DIRECTSHIPFLAG,FREEITEMFLAG,SRP,DATETIMESTAMP,RECORDNUMBER
FROM sept18.test OD
WHERE OD.storeid = NEW.storeid
and OD.itemid = NEW.itemid
and OD.orderdate = NEW.orderdate
and OD.DateTimeStamp < MAX_DATE1;
DELETE FROM sept18.test
WHERE storeid = NEW.storeid
and itemid = NEW.itemid
and orderdate = NEW.orderdate
and DateTimeStamp < MAX_DATE1;
END IF;
END$$