About JS error, as I sort out probably causes my one of plugin.
https://ibb.co/Br0zYv0
Disable and Aliwoo plugin is resolved issue I post last, but the plugin I need use it
Please help check also its that theme latest update conflict with that plugin ?
Because before update to 8.0 its working well at all.
You could re-enable the plugin on my site and check it.
If after confirm that plugin problem, I will feedback to the developer.