Flutter get " type 'List' is not a subtype of type 'Map' in type cast error

Question

Out webserver return this result as:

[
  {
    \"id\": 1,
    \"user_id\": 10,
    \"title\": \"xxxxxxx\",
    \"description\": \"xxxx\",
    \"type\": \"post\",         


        

Answer 1

as @Richard Heap comment, changing

CategoriesModel categories;

to

List<CategoriesModel> categories;

resolve this problem