A PHP Error was encountered

Severity: Notice

Message: Undefined index: s_coupon

Filename: controllers/Coupon.php

Line Number: 20

Backtrace:

File: /var/www/vhosts/tanksloss.com/httpdocs/application/controllers/Coupon.php
Line: 20
Function: _error_handler

File: /var/www/vhosts/tanksloss.com/httpdocs/index.php
Line: 315
Function: require_once

{"hata":"Kupon kodu hatal\u0131 veya daha \u00f6nce kullan\u0131lm\u0131\u015f."}