Some users are getter an error when clicking the tile or trying to logon to blogs:
Something has gone wrong. If this keeps happening, please contact support with the following, and how to re-create it:
The Code varies.
This is a problem with the user account on the blogs instance. It can be fixed by the support team and you need to log a call with the username of the user affected, what they did to produce the error (Clicked on tile for example) and the code.
To report an issue you raise it through your Local Authority with the RM help desk.