Database Query Error - You've Probably Found a Bug

Cannot connect to database server.

Please give all the information on this page to your support personnel.

Query Connecting to database server... failed. The DBMS said this:

Access denied for user 'db_user'@'localhost' (using password: YES)

Debug Backtrace (most recent call first):

/users/vrtx/www/plugins/openbiblio/classes/Error.php:137 FatalHandler->printBackTrace()
/users/vrtx/www/plugins/openbiblio/classes/Error.php:105 FatalHandler->dbError('Connecting to database server...', 'Cannot connect to database server.', 'Access denied for user \'db_user\'@\'localhost\' (using password: YES)')
/users/vrtx/www/plugins/openbiblio/classes/Query.php:18 Fatal->dbError('Connecting to database server...', 'Cannot connect to database server.', 'Access denied for user \'db_user\'@\'localhost\' (using password: YES)')
/users/vrtx/www/plugins/openbiblio/shared/read_settings.php:21 Query->Query()
/users/vrtx/www/plugins/openbiblio/shared/common.php:134 require_once('/users/vrtx/www/plugins/openbiblio/shared/read_settings.php')
/users/vrtx/www/plugins/openbiblio/home/index.php:6 require_once('/users/vrtx/www/plugins/openbiblio/shared/common.php')