Hello I have checked everything I had it before on the 6.11. it is only when I downgrade from the rotten version 6.2.1 I can't find it I am in a middle of a big assignment in Africa and I am with a function that I used a lot for landscape I am latest version of camera RAW 9;2
Please uninstall the existing version of Lightroom you have on your system.
Once done, restart the system
Install the Lightroom Version 6.0 Refer: Download Photoshop Lightroom
And then Update to 6.1.1 release Refer: http://swupdl.adobe.com/updates/oobe/aam20/mac/AdobeLightroom-6.0/6.1.1/setup.dmg