I found that you using my script for real estate on your website without purchase code entered or same purchase code on more website installations (only one is allowed).
Please be fair and buy my script now!
If you need more help you are welcome to send me email.
https://help.market.envato.com/hc/en-us/articles/202822600-Where-can-I-find-my-Purchase-Code-
http://codecanyon.net/item/real-estate-agency-portal/6539169
application\config\cms_config.php:
$config['codecanyon_username'] = 'your_codecanyon_username';
$config['codecanyon_code'] = 'your_purchase_code';