A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: controllers/Payment.php

Line Number: 126

Backtrace:

File: /home/epinrobocom/public_html/application/controllers/Payment.php
Line: 126
Function: _error_handler

File: /home/epinrobocom/public_html/index.php
Line: 315
Function: require_once