A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: views/loader_with_appointment_table.php

Line Number: 11

Backtrace:

File: /var/www/vhosts/drsbooking.com/httpdocs/application/modules/components/doctor_appointment/views/loader_with_appointment_table.php
Line: 11
Function: _error_handler

File: /var/www/vhosts/drsbooking.com/httpdocs/application/third_party/MX/Loader.php
Line: 364
Function: include

File: /var/www/vhosts/drsbooking.com/httpdocs/application/third_party/MX/Loader.php
Line: 306
Function: _ci_load

File: /var/www/vhosts/drsbooking.com/httpdocs/application/modules/components/doctor_appointment/controllers/Doctor_appointment.php
Line: 1077
Function: view

File: /var/www/vhosts/drsbooking.com/httpdocs/index.php
Line: 290
Function: require_once