If you follow the below steps it will dock the screen:
Select the Main Menu Toolbar.
Select the House symbol on the bottom of the Main Menu Toolbar.
This will dock all the screens and the screen you require should be available.
If you follow the below steps it will dock the screen:
Select the Main Menu Toolbar.
Select the House symbol on the bottom of the Main Menu Toolbar.
This will dock all the screens and the screen you require should be available.