A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: controllers/Event.php

Line Number: 20

Backtrace:

File: /var/www/jet/data/www/audio-maniacs.ru/application/controllers/Event.php
Line: 20
Function: _error_handler

File: /var/www/jet/data/www/audio-maniacs.ru/index.php
Line: 315
Function: require_once