Calendar field returns Invalid Input
If you've updated RSForm!Pro to 1.52.12 version and the calendar field is no longer working, giving the Invalid Input validation message then most likely the Date Format is not properly set.
Please edit your field and set the 'Date Format' for example to 'Y-m-d' if you want to emulate the legacy 'yyyy-mm-dd'.
Your field's 'Date Format' must use the PHP date() parameters.
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