Yes. This is on the support pages.
REFERANSE ID: 000044538
UPLAY PC - "YOUR ACCOUNT HAS BEEN ACCESSED FROM ANOTHER LOCATION." ERROR MESSAGE
We are aware that some players are unable to log into the client.
Please note that this is a visual error caused by a degradation.
Our teams are actively investigating the situation.
In the meantime, if you have any concerns about your account security, please follow the advice outlined in the following article: