419 (unknown status) send @ vendor.bundle.base.js:4 ajax @ vendor.bundle.base.js:4 message_del @ contacts:380 onclick @ contacts:341 code example

Example: 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')
  }
});