Сообщение об ошибке

• Deprecated function: session_set_save_handler(): Providing individual callbacks instead of an object implementing SessionHandlerInterface is deprecated in drupal_session_initialize() (line 245 of includes/session.inc).
• Warning: Trying to access array offset on null в функции taxonomy_menu_trails_init() (строка 102 в файле sites/all/modules/taxonomy_menu_trails/taxonomy_menu_trails.module).