PHP - Fail... Disable_functions Error.

Hi, i just installed UNA on my VPS and getting this error PHP Fail and Web server Undefined. 

Moreover when i did server audit. I got this error details. 

• disable_functions = exec,passthru,shell_exec,system - FAIL (must be without shell_exec,eval,assert,phpinfo,getenv,ini_set,mail,fsockopen,chmod,parse_ini_file,readfile,escapeshellcmd,fput,popen)

AND i have attached image of my PHP INI file editor.

And this one as well 

Web-server: Apache

• rewrite_module - UNDEFINED