419 (unknown status) laravel code example

Example 1: HTTP call status: 419

Use this in the head section:

<meta name="csrf-token" content="{{ csrf_token() }}">

and get the csrf token in ajax:
$.ajaxSetup({
  headers: {
    'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
  }
});

Example 2: 413 error laravel

// Need to increase or set client_max_body_size in your nginx config file. 
http {
    #...
        client_max_body_size 100m;
    #...
}
// Restart nginx