PrestaShop 1.6 - Po aktualizaci nefunguje editace kategorií

[PrestaShopException]

Id must be filled for categories tree
at line 104 in file classes/helper/HelperForm.php

99.                             break;
100.
101.                         case 'categories':
102.                             if ($categories) {
103.                                 if (!isset($params['tree']['id'])) {
104.                                     throw new PrestaShopException('Id must be filled for categories tree');
105.                                 }
106.
107.                                 $tree = new HelperTreeCategories($params['tree']['id'], isset($params['tree']['title']) ? $params['tree']['title'] : null);
108.
109.                                 if (isset($params['name'])) {

    HelperFormCore->generate - [line 65 - classes/helper/HelperForm.php]
    HelperFormCore->generateForm - [line 2499 - classes/controller/AdminController.php] - [1 Arguments]
    AdminControllerCore->renderForm - [line 216 - override/controllers/admin/AdminCategoriesController.php]
    AdminCategoriesController->renderForm - [line 2039 - classes/controller/AdminController.php]
    AdminControllerCore->initContent - [line 199 - controllers/admin/AdminCategoriesController.php]
    AdminCategoriesControllerCore->initContent - [line 189 - classes/controller/Controller.php]
    ControllerCore->run - [line 367 - classes/Dispatcher.php]
    DispatcherCore->dispatch - [line 58 - admin/index.php]