A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: Consultas/LibConsulta.php

Line Number: 246

Backtrace:

File: /opt/rh/httpd24/root/var/www/html/MFE/application/libraries/Consultas/LibConsulta.php
Line: 246
Function: _error_handler

File: /opt/rh/httpd24/root/var/www/html/MFE/application/controllers/Aprende/Materiales.php
Line: 140
Function: verEvaluacion

File: /opt/rh/httpd24/root/var/www/html/MFE/index.php
Line: 327
Function: require_once