Issue
Students and faculty receive an error message when attempting to log into Blackboard.
Error
Blackboard Sign On Error.
Description
Blackboard users may receive a Blackboard Sign On Error message when attempting to log into Blackboard. The message refers the user to contact the administrator for assistance and gives an error code; see image below.

Resolution
- Open a new web browser: Google Chrome or Firefox
- Clear your browsing history
- Log into Blackboard again.
Note to Support Agent
This error is usually caused by a duplicate session login caused by the user not logging out of Blackboard before closing the browsing window and attempting to log in again before the session has timed out. Or, there is no user account in Blackboard.
Additional Information and Technical Support
Additional information is available in the solution article Clear Browsing History and Update Chrome.
If you receive the message again after clearing your browsing history, please submit a Blackboard Support Request In the request, mention that you have already cleared your browsing history.