It's good that the forum is working very well now.
Yes, and it was repaired by changing some data in the Settings.php by me twice.
Connection Problems I and another user from Bulgaria got this many times in the past hours: "Connection Problems
Sorry, SMF was unable to connect to the database. This may be caused by the server being busy. Please try again later.
Sorry, SMF was unable to connect to the database. This may be caused by the server being busy. Please try again later."
I will explain here more about it, because I learned how to fix it better this morning.
So, when you get this problem, just don't panic! It's not that bad. What's the problem in fact? Well, either the DB credentials in 'Settings.php' are wrong, or just your server isn't available. (In this case you need to check with your host, especially when you're using some shared hosting.) I mean that if the server is busy it's not an uncommon problem on shared servers.
I am busy and that's all what I may help currently. If you have some problems (SEO or non-SEO), you may let me/let us know.