[bug] Error when trying to set an event of calendar all day if assigned to is set to a group

[vslonska]

Hello, If I want to set "all day" for an event and not an hour of beginning and ending, I have to assign myself, set to all day, and then reassign the event to a group. I I assign the event to a group first I have an error and I can't create the event (error, contact your admin). Thank you,