A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'vista' of non-object

Filename: controllers/Productos.php

Line Number: 117

Backtrace:

File: /var/www/vhosts/nomen.com.py/httpdocs/app/controllers/Productos.php
Line: 117
Function: _error_handler

File: /var/www/vhosts/nomen.com.py/httpdocs/index.php
Line: 315
Function: require_once