A PHP Error was encountered

Severity: Warning

Message: Undefined variable $pub

Filename: models/Main_model.php

Line Number: 457

Backtrace:

File: /home/nmhinfo/web/info.my.na/public_html/application/models/Main_model.php
Line: 457
Function: _error_handler

File: /home/nmhinfo/web/info.my.na/public_html/application/views/newsfeed.php
Line: 4
Function: get_publication_info

File: /home/nmhinfo/web/info.my.na/public_html/application/controllers/Main.php
Line: 5778
Function: view

File: /home/nmhinfo/web/info.my.na/public_html/index.php
Line: 319
Function: require_once