Note: If you received an email invitation to participate in this session, this issue will NOT concern you.

Symptoms:
You entered your nickname and received a message that says it is invalid.

Cause of the Problem:
Your nickname probably contains less than 4 characters or contains one of the following characters: &,#!?><.

• Solution:
  Refrain from using the invalid characters stated above and make sure your nickname contains 4 characters or more.

  NOTE: If you already logged in to the session and for any reason were logged out, in the re-login process you will not be obligated to enter the same nickname as before - you are free to change it.