[debug.func.php] Line (42):
[class.db.php] Line (74):
[class.db.php] Line (39):
[sam.engine.php] Line (79):
[index.php] Line (11):

Unhandled Exception.
SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: YES)
You can find the error back in the log.