Erreur PDO : SQLSTATE[42000]: Syntax error or access violation: 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 4

SELECT CONCAT(b.name, '-de-' ,comp.name_fr)
FROM companies comp
JOIN boats b ON b.id_companies = comp.id
WHERE b.id =