This can happen if too many incorrect login attempts are made in a short period of time. Please try resetting your password, and make sure you have the correct username or email address.
The account lock expires after 5 minutes, so please reset your password and ensure you're using the correct username and try again!
If this article did not resolve the issue or answer your question, feel free to submit a ticket with our support staff. Please use the "Technical and General Support" category for this issue.