A PHP Error was encountered

Severity: Notice

Message: Undefined variable: data

Filename: controllers/Layout.php

Line Number: 100

Backtrace:

File: /usr/src/app/application/modules/layout/controllers/Layout.php
Line: 100
Function: _error_handler

File: /usr/src/app/application/modules/core_notification/controllers/Core_notification.php
Line: 17
Function: menu

File: /usr/src/app/index.php
Line: 315
Function: require_once