#0 system/modules/calendar_ical/classes/CalendarImport.php(84): Contao\CalendarImport->importFromWebICS()
#1 system/modules/calendar_ical/classes/CalendarImport.php(61): Contao\CalendarImport->importCalendarWithData()
#2 system/modules/calendar_ical/classes/CalendarImport.php(32): Contao\CalendarImport->importCalendarWithID()
#3 system/modules/calendar_extended/classes/EventsExt.php(555): Contao\CalendarImport->getAllEvents()
#4 system/modules/calendar_extended/modules/ModuleEventMenu.php(130): Contao\EventsExt->getAllEventsExt()
#5 system/modules/calendar_extended/modules/ModuleEventMenu.php(63): Contao\ModuleEventMenu->compileMonthlyMenu()
#6 system/modules/core/modules/Module.php(287): Contao\ModuleEventMenu->compile()
#7 system/modules/calendar_extended/modules/ModuleCalendar.php(120): Contao\Module->generate()
#8 system/modules/calendar_extended/modules/ModuleEventMenu.php(47): Contao\ModuleCalendar->generate()
#9 system/modules/core/elements/ContentModule.php(59): Contao\ModuleEventMenu->generate()
#10 system/modules/core/library/Contao/Controller.php(484): Contao\ContentModule->generate()
#11 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement()
#12 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#13 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#14 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate()
#15 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle()
#16 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule()
#17 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate()
#18 index.php(20): Contao\FrontendIndex->run()
#19 {main}