I have a question regarding a SharePoint Online App installation and using it on a SharePoint Online SiteCollection. The site template is a 'Communication' site.
I used the below articles to install the app.
Please refer the below points.
The App targeted to install 'Modern Script Editor Web Part'. This is also called as 'React Script Editor Web Part'
I can't understand what I'm missing. I have tried several times. But was not successful. Please can someone help me to solve this issue?