PDO::__construct(): The server requested authentication method unknown to the client [mysql_old_password] 
in '/home/ipacoop/public_html/stats/libs/Zend/Db/Adapter/Pdo/Abstract.php' at the line 129

#0  Piwik_ErrorHandler(2, PDO::__construct(): The server requested authentication method unknown to the client [mysql_old_password], /home/ipacoop/public_html/stats/libs/Zend/Db/Adapter/Pdo/Abstract.php, 129, Array ([dsn] => mysql:host=localhost;dbname=ipacoop_stats;port=3306,[q] => ))
#1  PDO->__construct(mysql:host=localhost;dbname=ipacoop_stats;port=3306, ipacoop_stats, statistics10, Array ([1002] => SET NAMES 'utf8')) called at [/home/ipacoop/public_html/stats/libs/Zend/Db/Adapter/Pdo/Abstract.php:129]
#2  Zend_Db_Adapter_Pdo_Abstract->_connect() called at [/home/ipacoop/public_html/stats/libs/Zend/Db/Adapter/Pdo/Mysql.php:96]
#3  Zend_Db_Adapter_Pdo_Mysql->_connect() called at [/home/ipacoop/public_html/stats/core/Db/Adapter/Pdo/Mysql.php:31]
#4  Piwik_Db_Adapter_Pdo_Mysql->getConnection() called at [/home/ipacoop/public_html/stats/core/Db/Adapter.php:49]
#5  Piwik_Db_Adapter::factory(PDO_MYSQL, Array ([host] => localhost,[username] => ipacoop_stats,[password] => statistics10,[dbname] => ipacoop_stats,[port] => 3306,[charset] => utf8,[profiler] => 0)) called at [/home/ipacoop/public_html/stats/core/Piwik.php:1444]
#6  Piwik::createDatabaseObject() called at [/home/ipacoop/public_html/stats/core/FrontController.php:217]
#7  Piwik_FrontController->init() called at [/home/ipacoop/public_html/stats/index.php:59]