A PHP Error was encountered

Severity: Notice

Message: Undefined index: LOG_TIMESTAMP

Filename: libraries/Website_log.php

Line Number: 29

Backtrace:

File: /var/www/html/tristar/application/libraries/Website_log.php
Line: 29
Function: _error_handler

File: /var/www/html/tristar/application/libraries/Request_api.php
Line: 68
Function: tristarApiLog

File: /var/www/html/tristar/application/libraries/Request_api.php
Line: 39
Function: requestByCurl

File: /var/www/html/tristar/application/models/airticket/ModelAirTicket.php
Line: 468
Function: request

File: /var/www/html/tristar/application/models/airticket/ModelAirTicket.php
Line: 423
Function: GetCabinPreferences

File: /var/www/html/tristar/application/controllers/airticket/SearchResult.php
Line: 37
Function: GetCabinTypes

File: /var/www/html/tristar/index.php
Line: 476
Function: require_once