Extension Store Location

Hi,
I Bought an extention named store location: http://www.opencart.com/index.php?route ... 20location

I have some problems:
* when I edit the configuration of this module ( in admin panel) I can't save , I got this erreur ( Notice: Undefined index: storelocation_url in /home/iclipfr/webfrance.design/admin/controller/module/storelocation.php on line 17Warning: Cannot modify header information - headers already sent by (output started at /home/iclipfr/webfrance.design/admin/index.php:84) in /home/iclipfr/webfrance.design/system/library/response.php on line 12 )

* When the pagination don't work : http://www.webfrance.design/index.php?r ... relocation.

Please help me.
Many thanks.

Last time, the author even replied to a comment, was this, 11+ Months ago.

Can you send your link to me? i'll check and fix it.
My email is dothaivn@gmail.com

But since it is a paid Extension, you need to contact the Vendor, to get help. And, hopefully,
you understud, before buying it, that the extension is not yet made to match OC v.2.1.x and higher !

Ernie