1 answer
1 of 2 things-
1- You don't have access to the folder where the dashboard is stored, or
2- you don't have access to the folder which houses the reports the DB references.
If your SF "Role" changed, this would be a good reason why, or if your "Groups" changed. Eitherway, pass that info along to your admin, and they should be able to troubleshoot this quickly.
