Description
When using a web browser while logged in to the ROR console, if the cookies stored in the browser are deleted, the session information (such as user IDs) of the ROR console contained in the cookies also deleted.
As a result, the screen layout may collapse, or the error dialog "Establishing connection with admin server failed." may be displayed.
Corrective Action
Perform the following corrective actions:
Press F5, or click <Refresh> on the web browser.
Log in again from the Login window.
The ROR console is displayed.