Posted a reply to Last Update Causes Issues, on the site WordPress.org Forums: I'm seeing a similar issue using version 4.6.8, when opening up the theme customization page…
Created ticket #6044 on Themes Trac: THEME: Selfish Jerk 3 - 1.5
Created ticket #5894 on Themes Trac: THEME: Selfish Jerk 3 - 1.0