A PHP Error was encountered

Severity: Notice

Message: Use of undefined constant URL - assumed 'URL'

Filename: controllers/Clube.php

Line Number: 12

Backtrace:

File: /home/vsplogin/vivoaprendendo.com.br/public_html/application-1.0.0/controllers/Clube.php
Line: 12
Function: _error_handler

File: /home/vsplogin/vivoaprendendo.com.br/public_html/index.php
Line: 331
Function: require_once