A PHP Error was encountered

Severity: Warning

Message: Undefined variable $data

Filename: controllers/Braintree.php

Line Number: 397

Backtrace:

File: /var/gladiator/htdocs/gladiator/controllers/Braintree.php
Line: 397
Function: _error_handler

File: /var/gladiator/htdocs/index.php
Line: 321
Function: require_once