In the request, I have to pass the cookie in the header and the cookie should have a date value .
I created the date variable and passing it in the cookie header...
Your cookie format is not valid. You did not provide a cookie name. The right format should be cookie_name=cookie_value. So in the Value column you should use something like...
If you have configured your variable to stop the test when running out of values then the test should stop. Make sure that stop policy is immediate.
Then look at the NeoLoad...