internal server error 500 in vue js debugging code example

Example: laravel vue error 500

-*-*-*-*-*-*- If You Are Using Model to fill data in database Use below method-*-*-*-*-**-

 -*-*-*-*- In your model Add This-*-*-*-*-*-*-*-

protected $fillable = ['task'];

 -*-*-*-*- And Add this to you welcome.blade.php before title tag-*-*-*-*-*-*-*-

<meta name="token" id="token" value="{{ csrf_token() }}">