Notes!.
Severity: Notice
Message: Undefined index: v
Filename: frontend/product-detail.php
Line Number: 19
Backtrace:
File: /var/www/html/application/views/frontend/product-detail.php Line: 19 Function: _error_handler
File: /var/www/html/application/controllers/Home.php Line: 256 Function: view
File: /var/www/html/index.php Line: 325 Function: require_once