Fatal error: Uncaught Error: Call to undefined function module_list() in D:\wwwroot\nashriyat.iki.ac.ir\includes\theme.maintenance.inc:53
Stack trace:
#0 D:\wwwroot\nashriyat.iki.ac.ir\includes\bootstrap.inc(2949): _drupal_maintenance_theme()
#1 D:\wwwroot\nashriyat.iki.ac.ir\includes\errors.inc(177): drupal_maintenance_theme()
#2 D:\wwwroot\nashriyat.iki.ac.ir\includes\bootstrap.inc(2674): _drupal_log_error()
#3 [internal function]: _drupal_exception_handler()
#4 {main}
  thrown in D:\wwwroot\nashriyat.iki.ac.ir\includes\theme.maintenance.inc on line 53