Severity: Notice
Message: Undefined offset: 0
Filename: views/abstract_book.php
Line Number: 70
Backtrace:
File: /home/helicsdev/public_html/application/views/abstract_book.php
Line: 70
Function: _error_handler
File: /home/helicsdev/public_html/application/controllers/Abstract_book.php
Line: 8
Function: view
File: /home/helicsdev/public_html/index.php
Line: 292
Function: require_once