#0 /home/klient.dhosting.pl/marebraz/kursy.dkonto.pl/public_html/libraries/lesson.class.php(162): EfrontLesson->initializeDataFromSource('156')
#1 /home/klient.dhosting.pl/marebraz/kursy.dkonto.pl/public_html/www/index.php(1424): EfrontLesson->__construct('156')
#2 {main}