Back button on the CMS disappears when iFrame loadsDescription The back button on the CMS behaves unexpectedly when accessing a record. Steps to Reproduce Login as admin.Navigate to CMS /ess.Click Issue Status.Use the reference icon to open one of the listed incidents.Note that the record loads with no Back button on the banner.Use the browser Back button to go back to the list view.Use the reference icon to open the same record from step 4. Note that the Back button is now visible on the records banner. Workaround After carefully considering the severity and frequency of the issue, and the cost and risk of attempting a fix, it has been decided to not address this issue in any current or near future releases. We do not make these decisions lightly, and we apologize for any inconvenience. As a workaround, hide the back button in CSS adding the following style: .navbar-btn {display:none;} Alternatively, hide the reference icon with the following style: .btn-icon.list_popup{ display: none; } Related Problem: PRB651933