Widget issues after wordpress update 49

My website BeautySecrets theme have some issues with the widget page after update wordpress to version 4.9.1. The widgets in the Wordpress editor are not clickable anymore and the widget drop down menu is not functioning.

Please help.

Hi!

Could you give us the URL of your website, please?
Besides, could you send a screenshot of the issue or describe the issue in details? Which widget doesn't work properly?