Trying to update an existing response leads to an error:

CHttpException

Session not found

/home/sam/sites/whols.befound.nl/protected/controllers/survey/index.php(11)

01 <?php
02 use ls\models\Survey;
03 use ls\models\Template;
04
05 class index extends CAction {
06
07
08 public function run($_button = 'default', $csrfToken = null)
09 {
10 if (null === $session = App()->surveySessionManager->current) {
11 throw new \CHttpException(404, "Session not found");
12 }
13 if (App()->request->getIsPostRequest() && $csrfToken != $session->postKey) {
14 throw new \CHttpException(401, "CSRF Protection triggered.");
15 }
16
17
18 $buttons = [
19 'default' => true,
20 'next' => true,
21 'submit' => true,
22 'clearall' => true,
23 'changelang' => true