Fatal error: Uncaught Error: Call to undefined function menu_get_object() in /var/www/html/includes/theme.inc:2619
Stack trace:
#0 /var/www/html/includes/theme.inc(1125): template_preprocess_html(Array, 'maintenance_pag...')
#1 /var/www/html/includes/errors.inc(252): theme('maintenance_pag...', Array)
#2 /var/www/html/includes/bootstrap.inc(2670): _drupal_log_error(Array, true)
#3 [internal function]: _drupal_exception_handler(Object(PDOException))
#4 {main}
thrown in /var/www/html/includes/theme.inc on line 2619