A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Booking.php

Line Number: 31

Backtrace:

File: /home/gko4m5bfa1s0/public_html/dityacab.com/application/controllers/Booking.php
Line: 31
Function: _error_handler

File: /home/gko4m5bfa1s0/public_html/dityacab.com/index.php
Line: 315
Function: require_once