A PHP Error was encountered

Severity: 8192

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

Filename: controllers/Files.php

Line Number: 49

Backtrace:

File: /home/ewpci/sunhikkari.com/rms/application/controllers/Files.php
Line: 49
Function: file_exists

File: /home/ewpci/sunhikkari.com/rms/index.php
Line: 315
Function: require_once