The 500 error is caused by the .htaccess on your webspace's root. Delete that file.
Type: Posts; User: karl94
The 500 error is caused by the .htaccess on your webspace's root. Delete that file.
I don't understand, what do you mean?
About the issue with chatblock: the paths are strange, check its settings. Your webspace's root it's actually /membri/ieee/.
The other problem is likely caused by the .htaccess file in the root...
The screenshot isn't visible.