A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: libraries/Shopify.php

Line Number: 33

Backtrace:

File: /home/shippingcontroll/public_html/application/libraries/Shopify.php
Line: 33
Function: _error_handler

File: /home/shippingcontroll/public_html/application/libraries/Shopify.php
Line: 22
Function: verifySetup

File: /home/shippingcontroll/public_html/application/libraries/Shopify.php
Line: 14
Function: setup

File: /home/shippingcontroll/public_html/application/controllers/Auth.php
Line: 120
Function: library

File: /home/shippingcontroll/public_html/application/controllers/Auth.php
Line: 109
Function: auth

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