Bonjour, Lors de la compilation du module EnvCoreList, j'ai l'erreur suivante : Error: Signature mismatch: Modules do not match: sig type value = int type variable = string type 'a environment = (variable * value) list exception Unbound_variable of variable exception Incompatible_environments of variable val empty : 'a list val unbind : 'a -> ('a * 'b) list -> ('a * 'b) list val bind : 'a -> 'b -> ('a * 'b) list -> ('a * 'b) list val is_bound : 'a -> ('a * 'b) list -> bool val lookup : variable -> (variable * 'a) list -> 'a val var_list : ('a * 'b) list -> 'a list end is not included in ENV_CORE Values do not match: val bind : 'a -> 'b -> ('a * 'b) list -> ('a * 'b) list is not included in val bind : variable -> 'a -> 'a environment -> 'a environment ceci est du à quoi?