Key "length" for array with keys "0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13" does not exist in

I hate this guy

Petit problem avec twig :

Key "length" for array with keys "0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13" does not exist in xxx . 

Solution : 

 

Revérifiez votre syntax lors de l'appel du tableau ... changer tableau.length à tableau|length

bon dev .