Exception caught

There was en error trying to load and initiate the B2 engine.

Access denied for user 'root'@'localhost' (using password: YES)
in /var/www/support/include/B2DB/mysqli/classes/B2DB.class.php at line 28

Trace
#0 /var/www/support/include/B2DB/mysqli/dbinitialize.inc.php(3): B2DB::doConnect()
#1 /var/www/support/include/B2DB/B2DBinitialize.inc.php(55): require_once('/var/www/suppor...')
#2 /var/www/support/include/b2_engine.inc.php(63): require('/var/www/suppor...')
#3 /var/www/support/reportissue.php(7): require('/var/www/suppor...')
#4 {main}