Error in Form when saving to 2 Tables in Ruby Rails -

i saw similar answered question here got me far. facing error in form. solution looking saving 2 tables in ruby rails saving property address in first table saves 2 images in pictures' second table.

migration1:

class createproperties < activerecord::migration[5.0]   def change     create_table :properties |t|       t.string :address        t.timestamps     end   end end 

migration2:

class createpictures < activerecord::migration[5.0]   def change     create_table :pictures |t|       t.string :image1       t.string :image2        t.timestamps     end   end end 

property model:

class property < applicationrecord     has_many :pictures     accepts_nested_attributes_for :pictures end 

picture model:

class picture < applicationrecord     belongs_to :property end 

propertiescontroller:

class propertiescontroller < applicationcontroller before_action :set_property    def new     @property = property.new   end    def create     @property = properties.build(property_params)     if @property.save       flash[:success] = "property created"       redirect_to property_path(@property)     else       render 'new'     end   end    private     def property_params       params.require(:property).permit(:address, picture_attributes: [:image1, :image2])     end end 

the form don't know done below:

<%= form_for(@property) |f| %> <%= f.label :address %> <%= f.text_field :address %>  <%= f.label :image1 %> <%= f.text_field :image1 %>  <%= f.label :image2 %> <%= f.text_field :image2 %> <%= f.submit %> <% end %> 

error picture:

error on new.html.erb

you should use fields_for method have form pictures inside property form:

# inside property form_for <%= f.fields_for @property.pictures.build |p| %>   <%= p.file_field :image1 %>   <%= p.file_field :image2 %>  <% end %>