A PHP Error was encountered

Severity: Notice Message: Undefined variable: logMsg Filename: controllers/Blog.php Line Number: 24 Backtrace:

File: /home/ec2-user/pcgws/application/controllers/Blog.php
Line: 24
Function: _error_handler

File: /home/ec2-user/pcgws/index.php
Line: 292
Function: require_once