A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: template-parts/lightbox-nivel.php

Line Number: 7

Backtrace:

File: /var/www/html/application/views/web-app/template-parts/lightbox-nivel.php
Line: 7
Function: _error_handler

File: /var/www/html/application/views/web-app/templates/footer.php
Line: 2
Function: view

File: /var/www/html/application/views/web-app/login.php
Line: 74
Function: view

File: /var/www/html/application/controllers/web-app/Login.php
Line: 12
Function: view

File: /var/www/html/index.php
Line: 317
Function: require_once