$_FILES IN UPLOAD IMAGE

$_FILES IN UPLOAD IMAGE

this code 'php' upload image for CMS website, put echo error The Query Was not Working !!!

<?php  session_start();
    include'includes/db.php'; 
    if(isset($_SESSION['user']) && isset($_SESSION['password'])== true){
      $sel_sql = "SELECT * FROM users WHERE user_email = '$_SESSION[user]' AND user_password = '$_SESSION[password]'";
      if($run_sql= mysqli_query($conn,$sel_sql)){
       if(mysqli_num_rows($run_sql)==1){
      }else{
         header('location: ../index.php');
       }
    }
    }else{
      header('location: ../index.php');
    }

  $error = '' ;
  if(isset($_POST['submit_post'])){
      $title = strip_tags($_POST['title']);
      $date = date('y-m-d h:i:s');
      if($_FILES['image']['name'] != '' ){
          $image_name = $_FILES['image']['name'];
          $image_tmp = $_FILES['image']['tmp_name'];
          $image_size = $_FILES['image']['size'];
          $image_exe = pathinfo($image_name,PATHINFO_EXTENSION);
          $image_path = '../img/'.$image_name;
          $image_db_path = 'img/'.$image_name;

          if($image_size <1000000){ //size image
                 if($image_exe == 'jpg' || $image_exe == 'png' ||$image_exe == 'gif' ){
                       if(move_uploaded_file($image_tmp,$image_path)){
                            $ins_sql = "INSERT INTO posts (title , description , image , category , date , author) VALUES('$title','$_POST[description]' , '$image_db_path' , '$_POST[category]','$date' ,'$_SESSION[user]')";
                            if(mysqli_query ($conn,$ins_sql)){
                              header('post_list.php');
                            }else{
                              $error = '<div class= "alert alert-danger">The Query Was not Working !</div>';
                            }
                               }else{
                           $error = '<div class= "alert alert-danger">Sorry , Unfortunately Image hos been uploaded!</div>';
                       }

                     }else {
                        $error = '<div class= "alert alert-danger"> Image Format Was not Correct !</div>';
                     }
              }else {
                $error = '<div class= "alert alert-danger"> Image File Size is mush bigger then Expext !</div>';   
              }
      }else{
                   $ins_sql = "INSERT INTO posts (title , description , category , date , author) VALUES('$title','$_POST[description]' , '$_POST[category]','$date' ,'$_SESSION[user]')";
                   if(mysqli_query ($conn,$ins_sql)){
                      header('location: post_list.php');
                    }else{
                      $error = '<div class= "alert alert-danger">The Query Was not Working !!!</div>';
                    }   
            }
    }
?>

this table in mysql

enter image description here

this result

enter image description here

Thank you