error "mysqli.php on line 86"

[ayman_elawody]

Make sure the MySQLi library is enabled in PHP. It isn't installed by default with Windows and possibly certain server distributions.

http://us3.php.net/manual/en/mysqli.setup.php

Done, thank you.

[ayman_elawody]

enabled

Mysql of the system

compile mysql (and mysqli if its checked) support against the system libraries

and

Mysql

compile MySQL support using the PHP bundled libraries (if the System MySQL option is checked it takes precedence over this option) 

[Lynne]

Is MySQLi enabled in PHP on your server?

[ayman_elawody]

I have vps server

Operating system: linux

Can you give me the cause of the problem

thanks

[Wayne Luke]

Make sure the MySQLi library is enabled in PHP. It isn't installed by default with Windows and possibly certain server distributions.

http://us3.php.net/manual/en/mysqli.setup.php

[ayman_elawody]

hi,

when i install vb on my server i see error

Fatal error: Call to undefined function mysqli_init() in /home/???/public_html/???/forum/core/vb/database/mysqli.php on line 86

Server info

php :5.5.16
MySQL:5.5.37-cll 

what is problem