Fatal error: Uncaught Error: Call to undefined function mysql_select_db() in /classes/MySQL.php:54
Stack trace:
#0 /classes/MySQL.php(36): MySQLCore->set_db('13985979_xteam')
#1 /classes/Db.php(111): MySQLCore->connect()
#2 /classes/Db.php(88): DbCore->__construct('localhost', '13985979_xteam', 'xteam1874', '13985979_xteam')
#3 /classes/Configuration.php(282): DbCore::getInstance()
#4 /config/config.inc.php(104): ConfigurationCore::loadConfiguration()
#5 /product.php(28): require('/config/config....')
#6 {main}
thrown in /classes/MySQL.php on line 54