Fatal error: Uncaught Error: Call to undefined function _system_default_theme_features() in /home/host1765414/urr.ru/htdocs/backlinkbot/includes/theme.inc:1431
Stack trace:
#0 /home/host1765414/urr.ru/htdocs/backlinkbot/includes/theme.inc(2822): theme_get_setting('toggle_favicon')
#1 /home/host1765414/urr.ru/htdocs/backlinkbot/includes/theme.inc(1125): template_preprocess_maintenance_page(Array, 'maintenance_pag...')
#2 /home/host1765414/urr.ru/htdocs/backlinkbot/includes/errors.inc(254): theme('maintenance_pag...', Array)
#3 /home/host1765414/urr.ru/htdocs/backlinkbot/includes/bootstrap.inc(2622): _drupal_log_error(Array, true)
#4 [internal function]: _drupal_exception_handler(Object(Error))
#5 {main}
thrown in /home/host1765414/urr.ru/htdocs/backlinkbot/includes/theme.inc on line 1431