Invalid Coupon. The configuration is not correctly setup for the attempted coupon or the coupon has been cancelled.

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U = 25337

a = 0

Exception: System.Net.WebException: The request was aborted: Could not create SSL/TLS secure channel. at System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request) at System.Net.WebClient.DownloadData(Uri address) at therapists2.coupon1.Page_Load(Object sender, EventArgs e) in C:\Users\saman\OneDrive\Documents\Visual Studio 2017\Projects\therapists2\coupon.aspx.vb:line 296 Shawn Riker Coupon Discount for Therapy