An uncaught Exception was encountered

Type: TypeError

Message: Unsupported operand types: string - int

Filename: /home1/cactusimmobilier/public_html/application/controllers/Action.php

Line Number: 28

Backtrace:

File: /home1/cactusimmobilier/public_html/application/controllers/Action.php
Line: 131
Function: liste

File: /home1/cactusimmobilier/public_html/index.php
Line: 316
Function: require_once