softDeletes not working, causes error at the time of generating code about blueprint HOT 2 CLOSED

models:
    Salesperson:
        name: string:255
        f_name: string:255
        dob: date
        address: string:400
        softdeletes: true

controllers:
   Salesperson:
      index:
        query: all
        render: salesperson.index with:salespeople

    create:
        render: salesperson.create

    store:
        validate: name, f_name
        save: salesperson
        flash: salesperson.name
        redirect: salesperson.index

    show:
        render: salesperson.show with:salesperson

    edit:
        render: salesperson.edit with:salesperson

    update:
        validate: name, f_name
        update: salesperson
        flash: salesperson.name
        redirect: salesperson.index

    destroy:
        delete: salesperson
        redirect: salesperson.index