Fatal error: Uncaught Exception: Error in formating DateTime object. Expected DateTime, but instead given boolean in /homepages/42/d50615282/htdocs/wp-content/plugins/event-organiser/includes/event-organiser-utility-functions.php:31 Stack trace: #0 /homepages/42/d50615282/htdocs/wp-content/plugins/event-organiser/includes/event-organiser-utility-functions.php(164): eo_format_datetime(false, 'j. F Y') #1 /homepages/42/d50615282/htdocs/wp-content/themes/betriebssportverband_iserlohn/eo-loop-single-event.php(17): eo_format_event_occurrence() #2 /homepages/42/d50615282/htdocs/wp-includes/template.php(772): require('/homepages/42/d...') #3 /homepages/42/d50615282/htdocs/wp-content/plugins/event-organiser/includes/event-organiser-templates.php(96): load_template('/homepages/42/d...', false) #4 /homepages/42/d50615282/htdocs/wp-content/plugins/event-organiser/includes/event-organiser-templates.php(41): eo_locate_template(Array, true, false) #5 /homepages/42/d50615282/htdocs/wp-content/plugins/event-organiser/templates/eo-loop-ev in /homepages/42/d50615282/htdocs/wp-content/plugins/event-organiser/includes/event-organiser-utility-functions.php on line 31