Heroku Error Deleting a Post in Production: Rails

I am trying to delete a post in my app. It's working fine in localhost but when i pushed to heroku it's not working. I get an error saying "Something went wrong , Please check the logs". Here is my code:

posts_controller.rb

class PostsController < ApplicationController
  before_action :set_post, only: [:show, :edit, :update, :destroy]
  before_action :authenticate_user! , except: [:index,:show,:search]
  before_filter :check_user, only: [:edit,:update,:destroy]




  # GET /posts
  # GET /posts.json

  def search
    if params[:search].present?
    @posts = Post.search(params[:search])
    else
    @posts = Post.all
    end
  end

  def index
    if params[:tag]
      @posts = Post.tagged_with(params[:tag])
    else
      @posts = Post.all
    end
  end

  # GET /posts/1
  # GET /posts/1.json
  def show
    @reviews = Review.where(post_id: @post.id)

  end

  # GET /posts/new
  def new
    @post = Post.new
  end


  # GET /posts/1/edit
  def edit
    @post = Post.find(params[:id])
  end

  # POST /posts
  # POST /posts.json
  def create
    @post = Post.new(post_params)
    @post.user_id = current_user.id

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

  # PATCH/PUT /posts/1
  # PATCH/PUT /posts/1.json
  def update
    respond_to do |format|
      if @post.update(post_params)
        format.html { redirect_to root_url, notice: 'Post was successfully updated.' }
        format.json { render :show, status: :ok, location: @post }
      else
        format.html { render :edit }
        format.json { render json: @post.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /posts/1
  # DELETE /posts/1.json
  def destroy
    @post.destroy
    respond_to do |format|
      format.html { redirect_to root_path, notice: 'Post was successfully destroyed.' }
      format.json { head :no_content }
    end
  end

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

    # Never trust parameters from the scary internet, only allow the white list through.
    def post_params
      params.require(:post).permit(:title, :description,:image,:all_tags)
    end

    def check_user
      if  current_user.id != @post.user_id
      redirect_to root_path , alert: "Sorry this Post belongs to someone else"
    end
    end

end

The Logs

view/posts/index.html.erb

<h3>Posts</h3>
<table class="table">
  <thead>
    <tr>

      <th colspan="3"></th>
    </tr>
  </thead>
  <tbody>
    <% @posts.each do |post| %>
      <tr>
        <td><h4><%=link_to post.title , post%></h4></td>
        <td><%=raw tag_links(post.all_tags)%></td>
          <td><%= link_to 'Edit', edit_post_path(post) %></td>
          <td><%= link_to 'Destroy', post, method: :delete, data: { confirm: 'Are you sure?' } %></td>
        </tr>
    <%end%>
  </tbody>
</table>



<%= link_to 'new post', new_post_path %>