A PHP Error was encountered

Severity: Notice

Message: Undefined index: username

Filename: views/profile_sidebar.php

Line Number: 8

Backtrace:

File: /opt/lampp/htdocs/application/views/profile_sidebar.php
Line: 8
Function: _error_handler

File: /opt/lampp/htdocs/application/third_party/MX/Loader.php
Line: 357
Function: include

File: /opt/lampp/htdocs/application/core/MY_Loader.php
Line: 19
Function: _ci_load

File: /opt/lampp/htdocs/application/views/footer.php
Line: 99
Function: view

File: /opt/lampp/htdocs/application/third_party/MX/Loader.php
Line: 357
Function: include

File: /opt/lampp/htdocs/application/core/MY_Loader.php
Line: 19
Function: _ci_load

File: /opt/lampp/htdocs/application/views/template_dashboard.php
Line: 3
Function: view

File: /opt/lampp/htdocs/application/third_party/MX/Loader.php
Line: 357
Function: include

File: /opt/lampp/htdocs/application/core/MY_Loader.php
Line: 19
Function: _ci_load

File: /opt/lampp/htdocs/application/modules/invite/controllers/Invite.php
Line: 23
Function: view

File: /opt/lampp/htdocs/index.php
Line: 316
Function: require_once