A PHP Error was encountered

Severity: Notice

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

Filename: public/store_online_V2.php

Line Number: 513

Backtrace:

File: /home/cp893528/public_html/ppsc.co.th/application/views/public/store_online_V2.php
Line: 513
Function: _error_handler

File: /home/cp893528/public_html/ppsc.co.th/application/libraries/Template.php
Line: 53
Function: view

File: /home/cp893528/public_html/ppsc.co.th/application/controllers/Store_online.php
Line: 68
Function: pub_render

File: /home/cp893528/public_html/ppsc.co.th/index.php
Line: 318
Function: require_once