A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: controllers/Payment.php

Line Number: 37

Backtrace:

File: /var/www/api/application/controllers/Payment.php
Line: 37
Function: _error_handler

File: /var/www/api/www/index.php
Line: 292
Function: require_once

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