A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: controllers/Profesional.php

Line Number: 197

Backtrace:

File: /var/www/enko_web_ci/application/controllers/Profesional.php
Line: 197
Function: _error_handler

File: /var/www/enko_web_ci/index.php
Line: 315
Function: require_once