مرتبط داده نشدن بین جداول

سلام دوستان وقتتون بخیر.

QueryException  : SQLSTATE[HY۰۰۰]: General error: ۱۰۰۵ Can't create table `project`.`#sql-a۲c_f۹` (errno: ۱۵۰ "Foreign key constraint is incorrectly formed") (SQL: alt
 constraint `articles_user_id_foreign` foreign key (`user_id`) references `users` (`id`) on delete cascade)

sktop\laravel۲\vendor\laravel\framework\src\Illuminate\Database\Connection.php:۶۶۴
an exception occurs when attempting to run a query, we'll format the error
sage to include the bindings with SQL, which will make this exception a
 more helpful to the developer instead of just the database's errors.
(Exception $e) {
row new QueryException(
  $query, $this->prepareBindings($bindings), $e

وقتی کد php artisan migrate رو میزنم این ارور میده.

    public function up()
    {
        Schema::create('articles', function (Blueprint $table) {
            $table->engine = 'InnoDB';
            $table->bigIncrements('id');
            $table->integer('user_id')->unsigned();
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
            $table->string('title');
            $table->string('slug');
            $table->text('description');
            $table->text('body');
            $table->string('imageUrl');
            $table->string('tags');
            $table->integer('commentCount')->default(۰);
            $table->integer('viewCount')->default(۰);
            $table->timestamps();
        });