Estou instalando uma aplicação não desenvolvida por mim, sou novo em php e estou com dificuldade no erro abaixo:
A PHP Error was encountered
Severity: Notice
Message: Undefined index: subclass_prefix
Filename: core/CodeIgniter.php
Line Number: 237 Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in /home/hxtech/www/os/system/database/drivers/mysql/mysql_driver.php:91 Stack trace: #0 /home/hxtech/www/os/system/database/DB_driver.php(115): CI_DB_mysql_driver->db_pconnect() #1 /home/hxtech/www/os/system/database/DB.php(148): CI_DB_driver->initialize() #2 /home/hxtech/www/os/system/core/Loader.php(346): DB(Array, NULL) #3 /home/hxtech/www/os/system/core/Loader.php(1171): CI_Loader->database() #4 /home/hxtech/www/os/system/core/Loader.php(152): CI_Loader->_ci_autoloader() #5 /home/hxtech/www/os/system/core/Controller.php(51): CI_Loader->initialize() #6 /home/hxtech/www/os/application/controllers/mapos.php(13): CI_Controller->__construct() #7 /home/hxtech/www/os/system/core/CodeIgniter.php(311): Mapos->__construct() #8 /home/hxtech/www/os/index.php(202): require_once('/home/hxtech/ww...') #9 {main} thrown in /home/hxtech/www/os/system/database/drivers/mysql/mysql_driver.php on line 91
