Getting bad request (#400) on Ajax calls using Yii 2

Question

This is my code:

$(document).on(\'change\', \'#tblhotel-int_zone_id\', function(e){
    var zoneId = $(this).val();
    var form_data = {
        zone: zoneI         


        

Answer 1

/backend/config/main-local.php

'components' => [
    'request' => [
        'cookieValidationKey' => 'unique code',
        'csrfCookie' => ['httpOnly' => true, 'path' => '/admin/'],
    ],
],

/frontend/config/main-local.php

'components' => [
    'request' => [
        'cookieValidationKey' => 'unique code',
        'csrfCookie' => ['httpOnly' => true, 'path' => '/'],
    ],
],