How to get value from select in trigger mysql and use it for condition of IF

DELIMITER $$
CREATE TRIGGER cek
AFTER INSERT ON lapor_karya
FOR EACH ROW
BEGIN
SET @var = (SELECT COUNT(lapor_karya.ID_Lapor) FROM lapor_karya GROUP BY NEW.ID_Karya);
IF(@var > 10)
THEN
DELETE * FROM karya_pelajar WHERE ID_Karya=NEW.ID_Karya;
END IF;
END $$
DELIMITER ;

error

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '* FROM karya_pelajar WHERE ID_Karya=NEW.ID_Karya;
END IF;
END' at line 9

I want to get value from lapor_karya table, and use this value for condition IF. If my value more than 10, then will execute query delete. But it's doesn't working