Problemi inaspettati

#0 /home/stefanop/public_html/prenota-online/application/controllers/Appointments.php(78): Settings_Model->get_setting('time_format')
#1 [internal function]: Appointments->index()
#2 /home/stefanop/public_html/prenota-online/system/core/CodeIgniter.php(532): call_user_func_array(Array, Array)
#3 /home/stefanop/public_html/prenota-online/index.php(353): require_once('/home/stefanop/...')
#4 {main}

Seleziona servizio & fornitore