The most likely reason for this is due to a profile being held open on a server. To resolve this, please raise a new case online and reference the title of this article. Please include the following in your case:
Your name and contact number.
When this started happening.
Who else is having the same issue.
Screenshots of any error messages.
Please remain logged in until we log you off.
Once you've raised your case, we will be in touch with you as quickly as possible.