Error downloading cross site lookup

[Marshall]

Hello

I am trying to a Cross-site lookup to our SharePoint Online site collection. Looking at the site contents after adding the app, the app is greyed out and it is showing the error "Sorry, there was something wrong with the download. Try adding it again."

5-02-2020 11-07-17 AM.png (14.83 KiB) Viewed 8551 times

I have tried removing it and adding again with the same problem. I have enabled scripting capabilities on the site collection.

Regards
Marshall

[mnikitina]

Hello Marshall,

Are you a global admin? Please try to install apps under the global admin account.

Also, please check that scripting capabilities are enabled not only on the site collection level, but also on the site.