[Tushar]

Hello @r-a-y

This error is occurring with all themes, either it’s on wordpress.org theme repository or any other source. Here I am attaching screenshots of WordPress’ default themes, from Twenty Ten to Twenty Seventeen.

1. Twenty Ten: https://i.imgur.com/kZUxTUD.png
2. Twenty Eleven: https://i.imgur.com/wMYZtfv.png
3. Twenty Twelve: https://i.imgur.com/rEng3N8.png
4. Twenty Thirteen: https://i.imgur.com/8tHqZ1D.png
5. Twenty Fourteen: https://i.imgur.com/rY2nZwM.png
6. Twenty Fifteen: https://i.imgur.com/3wrlQ0s.png
7. Twenty Sixteen: https://i.imgur.com/1PZB9Ka.png
8. Twenty Seventeen: https://i.imgur.com/suQPI1E.png

This error is occurring due to buddypress/bp-templates/bp-nouveau/js/customizer.min.js.

[Tushar]

Hello

I get the same error. with default WordPress theme.
Uncaught TypeError: Cannot read property ‘selector’ of undefined
Please check the link. some settings options not working with this error. if I uninstall this plugin then all options are working.

http://prntscr.com/k8v054
http://nimb.ws/eJOBzP