New User Help Needed amysqli.php on line 51

[wallst001]

Set this up for our non profit it has been working flawlessly all week.  I did nothing but print orders and now the whole thing is down
Cannot establish database connection. Check your database connection settings. in /home/notmysto/public_html/sg/store/core/database/amysqli.php on line 51

someone please help?

[abantecart]

Welcome to AbanteCart!

Check with your hosting if the database connection and credentials did not change.
You can find these details in .../system/config.php