The Managed service customer has been informed their Sandbox/live Database has been upgraded.
The user has tried to login but it unable to.
Or user tries to save a notice and gets the following error
ORA 04068 Signature or package "HIGHWAYS TMA1001_API" has been changed
There will be a few reason why you cannot login so check the following;
If you are a manage service customer and still have problems after checking the above Please raise a support request trough Be Communities.