Hi On a SAIL form I want that as soon as I enter a date, the next date inpu

Hi
On a SAIL form I want that as soon as I enter a date, the next date input field should be popped up on its own so that I can enter another date(if I want to) before hitting the submit button.
For this I took the help of SAIL Recipes where it is written to do the same thing but with text as input. The link to the SAIL recipe is:
forum.appian.com/.../SAIL_Recipes.html

I tried out initially with the text field and after entering data for 3 text fields I got an error (Please refer Text Error).
I modified the code for entering the date field but I could enter only 2 date inputs and when I clicked here and there on the screen I got an error too (Please refer Date Error).
Can anyone please guide me as to why am I getting these errors and how to accomplish my task.
I am working on version 7.6.
Thanks in advance!!
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OriginalPostID-134858

OriginalPostID-134858