SQLSTATE[08004] [1040] Too many connections

#0 /var/www/clients/client21/web77/web/includes/src/__default.php(56005): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /var/www/clients/client21/web77/web/includes/src/__default.php(56561): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 /var/www/clients/client21/web77/web/includes/src/__default.php(54676): Varien_Db_Adapter_Pdo_Mysql->_connect()
#3 /var/www/clients/client21/web77/web/includes/src/__default.php(55733): Zend_Db_Adapter_Abstract->query('SET NAMES utf8', Array)
#4 /var/www/clients/client21/web77/web/includes/src/__default.php(56669): Zend_Db_Adapter_Pdo_Abstract->query('SET NAMES utf8', Array)
#5 /var/www/clients/client21/web77/web/includes/src/__default.php(30520): Varien_Db_Adapter_Pdo_Mysql->query('SET NAMES utf8')
#6 /var/www/clients/client21/web77/web/includes/src/__default.php(30451): Mage_Core_Model_Resource->_newConnection('pdo_mysql', Object(Mage_Core_Model_Config_Element))
#7 /var/www/clients/client21/web77/web/includes/src/__default.php(12415): Mage_Core_Model_Resource->getConnection('core_write')
#8 /var/www/clients/client21/web77/web/includes/src/__default.php(12445): Mage_Core_Model_Resource_Db_Abstract->_getConnection('write')
#9 /var/www/clients/client21/web77/web/includes/src/__default.php(12430): Mage_Core_Model_Resource_Db_Abstract->_getWriteAdapter()
#10 /var/www/clients/client21/web77/web/includes/src/__default.php(12455): Mage_Core_Model_Resource_Db_Abstract->_getReadAdapter()
#11 /var/www/clients/client21/web77/web/includes/src/__default.php(32550): Mage_Core_Model_Resource_Db_Abstract->getReadConnection()
#12 /var/www/clients/client21/web77/web/includes/src/__default.php(24440): Mage_Core_Model_Resource_Db_Collection_Abstract->__construct(Object(Mage_Core_Model_Resource_Website))
#13 /var/www/clients/client21/web77/web/includes/src/__default.php(24472): Mage_Core_Model_Config->getModelInstance('core_resource/w...', Object(Mage_Core_Model_Resource_Website))
#14 /var/www/clients/client21/web77/web/app/Mage.php(491): Mage_Core_Model_Config->getResourceModelInstance('core/website_co...', Object(Mage_Core_Model_Resource_Website))
#15 /var/www/clients/client21/web77/web/includes/src/__default.php(6003): Mage::getResourceModel('core/website_co...', Object(Mage_Core_Model_Resource_Website))
#16 /var/www/clients/client21/web77/web/includes/src/__default.php(6008): Mage_Core_Model_Abstract->getResourceCollection()
#17 /var/www/clients/client21/web77/web/includes/src/__default.php(21313): Mage_Core_Model_Abstract->getCollection()
#18 /var/www/clients/client21/web77/web/includes/src/__default.php(21171): Mage_Core_Model_App->_initStores()
#19 /var/www/clients/client21/web77/web/includes/src/__default.php(21054): Mage_Core_Model_App->_initCurrentStore('', 'store')
#20 /var/www/clients/client21/web77/web/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#21 /var/www/clients/client21/web77/web/index.php(83): Mage::run('', 'store')
#22 {main}