Trigger MySQL

CREATE TRIGGER Chef BEFORE INSERT ON DIRIGER 
FOR EACH ROW 
BEGIN 

DECLARE Futurchef CHAR; 
DECLARE LeProjet String; 
DECLARE Oui INT; 

SET FuturChef = NEW.NUMEDEVE; 
SET LeProjet = NEW.CODEPROJ; 

SELECT COUNT(NUMEDEVE) 
FROM TRAVAILLER 
WHERE CODEPROJ=LeProjet AND NUMEDEVE=FuturChef) INTO Oui 

IF Oui = 0 
THEN ROLLBACK 
END IF; 
END

requête SQL: 

CREATE TRIGGER Chef BEFORE INSERT ON DIRIGER 
FOR EACH 
ROW 
BEGIN DECLARE Futurchef CHAR; 

MySQL a répondu: Documentation 
#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 5