When i fill in a form with multiple date fields, i get this message on submitting it. The data is all stored in the database anyway.
DateTime::__construct() [datetime.--construct]: Failed to parse time string (Array) at position 0 (A): The timezone could not be found in the database
DateTime::__construct() [datetime.--construct]: Failed to parse time string (Array) at position 0 (A): The timezone could not be found in the database