Getting error when adding valid email to users.

[Robert]

Question: I'm getting the below error when creating new users.  I'm entering a valid email.  What could be wrong?

Error: Please enter a valid email address for Login Name. Please enter a valid email address for Work Email.

[Robert · Accepted solution]

Answer: This error occurs when there is a space either before or at the end of the email.  Please make sure that there isn't any blank spaces.