A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "idx" on null

Filename: board/view.html

Line Number: 30

Backtrace:

File: /var/www/portfolio/rumibooks/app/views/pages/board/view.html
Line: 30
Function: _error_handler

File: /var/www/portfolio/rumibooks/app/controllers/Board.php
Line: 131
Function: view

File: /var/www/portfolio/rumibooks/index.php
Line: 315
Function: require_once