All of sudden in admin panel there is lots of javascript errors display in console log and sales>order section also not loading properly, side menu is also not clickable sometimes. Admin Panel
The root cause of the problem is Magento_AdminAnalytics module which was causing the problem. I have disabled it by set the value to no in Stroes>Configuration>Advanced>Admin>Admin Usage> Enable Admin Usage Tracking and it works for me. Stores Configuration
