WordPress-Datenbank-Fehler: [Incorrect DATE value: '']
SELECT `dstart` FROM `1ucl5aHAw_mec_dates` WHERE `post_id`='1895' AND ((`dstart`='') OR (`dstart`<'' AND `dend`>='')) ORDER BY `dstart` DESC LIMIT 1

BEGIN:VCALENDAR VERSION:2.0 METHOD:PUBLISH CALSCALE:GREGORIAN PRODID:-//WordPress - MECv5.15.0.1714162636//EN X-ORIGINAL-URL:https://ev-allianz-hanau.de/ BEGIN:VEVENT UID:MEC-059fdcd96baeb75112f09fa1dcc740cc@ev-allianz-hanau.de DTSTART:19691231T220000Z DTEND:20200112T215500Z DTSTAMP:20191217T111300Z CREATED:20191217 LAST-MODIFIED:20191217 SUMMARY:Kanzeltausch DESCRIPTION: URL:https://ev-allianz-hanau.de/events/kanzeltausch/ ORGANIZER;CN=:MAILTO: END:VEVENT END:VCALENDAR