Is the sandbox site down?Is the sandbox site down?
The URL you mentioned is for prelive environment and not sandbox. The prelive environment has scheduled maintenance on Tuesdays and Thursdays which is why you might be seeing unresponsiveness. Please contact support at firstname.lastname@example.org for prelive issues.
getting a response:-
(NULL OR EMPTY) Unable to process. Please resubmit. unable to create subscription in purchase
Can you please include the sandbox URL you are trying to use?
it's seems that it's working now but from last 2 day's sandbox stops working from around 2:00 pm to 8:00 pm IST .
sandbox url :https://prelive.litle.com/vap/communicator/online .
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