Hi Dirk, Am 08.08.14 um 18:57 schrieb Dirk Steffens: > The reason is a sql-error, if the location is empty. > > So I've changed the DB-table cal-event. > Field location from NOT NULL to NULL. > > This is a bug. > > I fixed this in the trunk. It will be within the 1.6.1 release. Regards, Mario