Double-click on the object to display object information

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

A graphic key is not currently available.

How to fix this error?

To get information on bar objects in the display area, double click on
the relevant object. The corresponding information is displayed in
the status line of the dialog box (footer).

Error message extract from SAP system. Copyright SAP SE.