We have recently refreshed our branding across our offerings and changed the names of our pricing plans. If you have signed up before Aug 9, 2021, please click Previous plans to view your applicable plans.
We assure you that this change will not impact your product experience, and no action is required on your part.

This might occur if you had pasted the optional code for identifying the user from Admin > Web Messenger. 

Remove that code from the <body> segment to avoid this issue. We suggest you use Bots or Pre-chat Form to collect user details.