Problema con index.php Gen4

[folch]

Esto es el mensaje que me da:


Warning: shell_exec() has been disabled for security reasons in /home/u789501020/public_html/gen4/lib/lib_functions.php on line 11

Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /home/u789501020/public_html/gen4/lib/lib.php on line 32