Description of problem:
I want to use an activation key to subscribe system.
I will fill a field 'Organization'
I will forget to till a field 'Activation Key'
I will click 'Register'
and I see a message
"Error: Missing username or password."
This message is not clear since I have forgetten to fill the field 'Activation Key'.
The exact message should look like:
Error: Missing username or password or activation key'.
I understand that the application cannot decide whether user wanted to use activation key or username/password.
Just for clarity.