An uncaught Exception was encountered

Type: Error

Message: Call to a member function result() on bool

Filename: /home/linkapet/public_html/application/models/Mdl_ads.php

Line Number: 859

Backtrace:

File: /home/linkapet/public_html/application/models/Mdl_ads.php
Line: 771
Function: getCategoryString

File: /home/linkapet/public_html/application/controllers/Category.php
Line: 254
Function: getCatalogAds

File: /home/linkapet/public_html/index.php
Line: 315
Function: require_once