"uncaught exception" error repeatedly

[PandemicSoul]

Error: Call to undefined method DateTime::getDateInformation() (0)
#0 /home/myserver/public_html/forums/applications/calendar/sources/Event/Event.php(363): IPS\calendar\_Event::_findOccurances(Object(IPS\calendar\Date), NULL, Object(IPS\calendar\Date), Object(IPS\calendar\Date), Array)
#1 /home/myserver/public_html/forums/applications/calendar/sources/Event/Event.php(2127): IPS\calendar\_Event->findOccurrences(Object(IPS\calendar\Date), Object(IPS\calendar\Date))
#2 /home/myserver/public_html/forums/applications/calendar/widgets/upcomingEvents.php(153): IPS\calendar\_Event::retrieveEvents(Object(IPS\calendar\Date), Object(IPS\calendar\Date), NULL, 5, false)
#3 /home/myserver/public_html/forums/system/Widget/Widget.php(833): IPS\calendar\widgets\_upcomingEvents->render()
#4 /home/myserver/public_html/forums/system/Widget/Widget.php(888): IPS\_Widget->_render()
#5 /home/myserver/public_html/forums/uploads/template_45_94a9d7649fb9cdbfc784d3516e61a717_global.php(18472): IPS\_Widget->__toString()
#6 /home/myserver/public_html/forums/system/Theme/SandboxedTemplate.php(61): IPS\Theme\Cache\class_core_front_global->widgetContainer('sidebar', 'vertical')
#7 /home/myserver/public_html/forums/uploads/template_45_94a9d7649fb9cdbfc784d3516e61a717_global.php(15695): IPS\Theme\_SandboxedTemplate->__call('widgetContainer', Array)
#8 /home/myserver/public_html/forums/system/Theme/SandboxedTemplate.php(61): IPS\Theme\Cache\class_core_front_global->sidebar('right')
#9 /home/myserver/public_html/forums/uploads/template_45_94a9d7649fb9cdbfc784d3516e61a717_global.php(6862): IPS\Theme\_SandboxedTemplate->__call('sidebar', Array)
#10 /home/myserver/public_html/forums/system/Theme/SandboxedTemplate.php(61): IPS\Theme\Cache\class_core_front_global->globalTemplate('f1cc0e801d5818f...', '\n\n<div class='i...', Array)
#11 /home/myserver/public_html/forums/system/Dispatcher/Dispatcher.php(173): IPS\Theme\_SandboxedTemplate->__call('globalTemplate', Array)
#12 /home/myserver/public_html/forums/system/Dispatcher/Standard.php(113): IPS\_Dispatcher->finish()
#13 /home/myserver/public_html/forums/system/Dispatcher/Front.php(625): IPS\Dispatcher\_Standard->finish()
#14 /home/myserver/public_html/forums/system/Dispatcher/Dispatcher.php(155): IPS\Dispatcher\_Front->finish()
#15 /home/myserver/public_html/forums/index.php(13): IPS\_Dispatcher->run()
#16 {main}

This shows up repeatedly for all our admins. I already tried disabling all customizations and the problem persists. 

[Nathan Explosion]

Go to the support page in your ACP and you should see optional patches available to fix this.

[Thomas Emme]

Thank you, Nathan. I've been trying to find the solution to that very same issue. Had to look fairly closely to find the "patch available" item. 

[Marc Stridgen]

Glad to hear the issue was resolved for you 🙂

[PandemicSoul]

Thank you, seems to have fixed it.