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Fatal error: Uncaught Error: Call to a member function getStartdate() on null in /var/www/html/discudemy/commonSub/widget/topCoursesWidget.php:31
Stack trace:
#0 /var/www/html/discudemy/kostenlosekurse/pages/content/category.php(53): include()
#1 /var/www/html/discudemy/kostenlosekurse/pages/template/template.php(350): include('/var/www/html/d...')
#2 /var/www/html/discudemy/kostenlosekurse/index.php(143): include_once('/var/www/html/d...')
#3 /var/www/html/discudemy/kostenlosekurse/route.php(87): {closure}('bt-ve-yaz\xC4\xB1l\xC4\xB1m', '2')
#4 /var/www/html/discudemy/kostenlosekurse/index.php(195): Route->submit()
#5 {main}
thrown in /var/www/html/discudemy/commonSub/widget/topCoursesWidget.php on line 31
