Who's Online 3.2 Getting This Error

[zeeshop]

Hi all,

 

I installed this Contribution, Who's Online 3.2 - English Only - Full Package

 

it works perfect most of time, but on some vistors , I am getting following error,

 

 

Warning: gethostbyaddr() [function.gethostbyaddr]: Address is not in a.b.c.d form in C:\Program Files\xampp\htdocs\admin\whos_online.php on line 401

 

Warning: gethostbyaddr() [function.gethostbyaddr]: Address is not in a.b.c.d form in C:\Program Files\xampp\htdocs\admin\whos_online.php on line 493

 

Please Advise what is a fix of this error, Or please direct me to right Forum because I cant find answer in search yet.

 

Thanks and regards.

 

zee