*/
static function getContactFields() {
$contactFields = CRM_Contact_DAO_Contact::fields();
- $invalidFields = array('api_key', 'contact_is_deleted', 'created_date', 'hash', 'id', 'modified_date', 'primary_contact_id', 'user_unique_id');
+ $invalidFields = array('api_key', 'contact_is_deleted', 'created_date', 'display_name', 'hash', 'id', 'modified_date',
+ 'primary_contact_id', 'sort_name', 'user_unique_id');
foreach ($contactFields as $field => $value) {
if (in_array($field, $invalidFields)) {
unset($contactFields[$field]);