A PHP Error was encountered

Severity: Notice

Message: Undefined variable: output

Filename: models/Trade_model.php

Line Number: 8825

Backtrace:

File: /var/app/current/application/models/Trade_model.php
Line: 8825
Function: _error_handler

File: /var/app/current/application/views/trade/single.php
Line: 219
Function: show_company

File: /var/app/current/application/controllers/Trade.php
Line: 677
Function: view

File: /var/app/current/index.php
Line: 319
Function: require_once