# FAQ - Common Issue
# About the variable "User Name"
When a user's profile created, User Name
= First Name
+ space
+ Last Name
. But when you edit first name or last name of a user, the User Name
won't changed, so do remember to use an Action step to update the user name.
# Error sending payload: 2534001 (#100) The thread owner has archived or deleted this conversation, or the thread does not exist
This error usually happens if the subscriber deletes the chat. In that case, it means they do not want to receive any more messages.