importation liste stocks

lorsque j'importe le fichier csv j'ai toujours le message erreur que le type entré n'est pas valide

je ne comprend pas pourquoi.

30001,3,Inventory
N1.1,"Appel de service pour logement vacant ou aire commune","Inventory","chaque","150"," ","1520","4200","5200"
N1.2,"Appel de service pour logement occupé","Inventory","chaque","250","","1520","4200","5200"
N1.3,"Déplacement de meubles","Inventory","chaque","375","","1520","4200","5200"