- Add new validation rule

common/modules/blog/views/post/_subscribe.php

@@ -120,7 +120,7 @@ if ($cacheEmail!==false && Bid::find()->where(['email' => $cacheEmail])->exists(
                 }
                 else
                 {
-                    errors = [];
+                    var errors = [];
                     $.each(response, function(key, value) {
                         form.find('.field-'+key).addClass('has-error');
                         errors = errors.concat(value);