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Adding part on existing content : Invalid date and default date
If I add the Schedule part on an existing content type and I edit a content, I have an 'invalid date' in the start date and time textboxes.
The end date and time have a default at 9:00 Today.
If I create a projection of these contents with a calendar, the contents that haven't been edited have that default schedule value : 8:00 to 9:00