Viktor Fernström

Same error here. We have a problem on our server when trying to get an extension [**Contentment**](https://github.com/leekelleher/umbraco-contentment) to work. I have posted a post in the forums as well: https://our.umbraco.com/forum/using-umbraco-and-getting-started/108316-frontend-error-the-file-umbraco-backoffice-extensions-js-does-not-contain-any-reference-to-the-extension...

Hi again. I am not sure if this is the fix but I got a similar issue when working with UmbracoForms. (Error: $controller:ctrlreg") I fixed this on the server by...

⚠️ This is still an issue in v10.8.6. ⚠️ Simplified explanation: 2 sites with different hostnames: |Site name|Site hostname|Url name| |--------------|----------------|----------------| |My first site|myfirstsite.com|my-first-site| |My second site|mysecondsite.com|my-second-site| Now when I...