Deleting a Dashboard Package 
Procedure
If a dashboard package is no longer relevant for your company, you can delete it. If a newly created or modified dashboard in a dashboard package has errors that you need to correct, you must delete the dashboard package, correct the errors, and then import the changed dashboard package.
Note
You cannot delete an SAP-defined dashboard package.
You cannot delete a single dashboard; you must delete the dashboard package.
From the SAP Business One navigation panel, choose
Administration 
Setup General Dashboard Manager 
.In the Dashboard Manager window, from the menu on the left side, select a dashboard package.
Information about the dashboard package you selected appears on the right side of the window.
To start the deletion of the dashboard package, choose the Delete button.
A message appears asking you to confirm that you want to delete the package.
Do one of the following:
To confirm the deletion, choose Yes.
You receive a confirmation that the deletion was successful.
To cancel the deletion and return to the Dashboard Manager window, choose No.
Note
If you have chosen a dashboard from the deleted dashboard package as your default dashboard, you receive the following message when trying to add the dashboard to the cockpit: The default dashboard is not available. Contact your system administrator. This message also appears if your permission for the dashboard package is revoked or if the dashboard is set as Inactive.