A PHP Error was encountered

Severity: 8192

Message: file_exists(): Passing null to parameter #1 ($filename) of type string is deprecated

Filename: web/seccion.php

Line Number: 9

Backtrace:

File: /home/irpmzcc2/public_html/application/views/web/seccion.php
Line: 9
Function: file_exists

File: /home/irpmzcc2/public_html/application/controllers/Secciones.php
Line: 45
Function: view

File: /home/irpmzcc2/public_html/index.php
Line: 315
Function: require_once