Use Screen Softness to soften hard edges or Screen Shrink/Grow to adjust the matte boundary.
As a last resort, uninstall and reinstall After Effects. This will restore Keylight 1.2 to its default location. after effects keylight 1.2 download
Sometimes After Effects throws an error: "Keylight 1.2 is missing." This happens if your installation is corrupted. The fix is a manual download, but a repair of your Adobe installation via the Creative Cloud Desktop App. Use Screen Softness to soften hard edges or
Keylight 1.2 is installed automatically during the installation of After Effects. It is found in the Effects menu under Effect > Keying > Keylight 1.2 . after effects keylight 1.2 download