maleficmax I previously used beta 7, it worked good.
Beta 8 changed the layout of the directory structure and rewrite rules. The beta 8 release notes contains all the information about these changes. If you are still trying to use the rewrite rules or layout of beta 7 for a beta 11 Flarum install it will not function properly.
andreherberth
This is very weird. I successfully logged in from another browser. So I deleted all the data from my site in my main browser and... logged in. What the hell was that? I cleaned cache, i reloaded forum many times.
Thank you for your help!
If it suddenly stops working, I will come here to ask you, with your permission 
I know that this post is old, but this solution saved me. I could not login, icons were not loading...
Thank you for the tip.
With firefox it does not work for me since today. Brave Browser works fine.
Steve33 please start a new support discussion with information about your forum if you need assistance. Start here https://docs.flarum.org/troubleshoot
Information in this thread is very old, but it seems to have been a classic case of inadvertently making a forum accessible through multiple domain names, which isn't supported by Flarum. There are many solutions that depend on the kind of hosting being used.
