Programming > Build a Simple Ruby on Rails Application > Customizing Forms > Creating Relationships error first_name == nill

class StatusesController < ApplicationController
            before_action :set_status, only: [:show, :edit, :update, :destroy]

        # GET /statuses
        # GET /statuses.json
        def index
          @statuses = Status.all
        end

        # GET /statuses/1
        # GET /statuses/1.json
        def show
        end

        # GET /statuses/new
        def new
          @status = Status.new
        end

        # GET /statuses/1/edit
        def edit
        end

        # POST /statuses
        # POST /statuses.json
        def create
          @status = Status.new(status_params)

          respond_to do |format|
            if @status.save
              format.html { redirect_to @status, notice: 'Status was successfully created.' }
              format.json { render action: 'show', status: :created, location: @status }
            else
              format.html { render action: 'new' }
              format.json { render json: @status.errors, status: :unprocessable_entity }
            end
          end
        end

        # PATCH/PUT /statuses/1
        # PATCH/PUT /statuses/1.json
        def update
          respond_to do |format|
            if @status.update(status_params)
              format.html { redirect_to @status, notice: 'Status was successfully updated.' }
              format.json { head :no_content }
            else
              format.html { render action: 'edit' }
              format.json { render json: @status.errors, status: :unprocessable_entity }
            end
          end
        end

        # DELETE /statuses/1
        # DELETE /statuses/1.json
        def destroy
          @status.destroy
          respond_to do |format|
            format.html { redirect_to statuses_url }
            format.json { head :no_content }
          end
        end

        private
          # Use callbacks to share common setup or constraints between actions.
          def set_status
            @status = Status.find(params[:id])
          end

          # Never trust parameters from the scary internet, only allow the white list through.
          def status_params
            params.require(:status).permit(:name, :content)
          end
      end