[PrestaShopException]

Property CMS->content is not valid
at line 878 in file classes/ObjectModel.php

872.
873. $message = $this->validateField($field, $value, $id_lang);
874. if ($message !== true)
875. {
876. if ($die)
877. throw new PrestaShopException($message);
878. return $error_return ? $message : false;
879. }
880. }
881. }
882.