You can try to redownload the https://t.co/zxgk6I9Wha file from our Elegant Themes Members Page and reinstall it to your sites. If that didn't help, it would be best if we can continue troubleshooting this via our support chat which is our main support channel. 😄
— Elegant Themes (@elegantthemes) September 3, 2019
https://goo.gl/wyK7YJ