A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name_np' of non-object

Filename: publication_categories/index.php

Line Number: 16

Backtrace:

File: /home/bipad/public_html/themes/template/views/publication_categories/index.php
Line: 16
Function: _error_handler

File: /home/bipad/public_html/application/third_party/MX/Loader.php
Line: 364
Function: include

File: /home/bipad/public_html/application/third_party/MX/Loader.php
Line: 304
Function: _ci_load

File: /home/bipad/public_html/themes/template/views/content.php
Line: 12
Function: view

File: /home/bipad/public_html/application/third_party/MX/Loader.php
Line: 364
Function: include

File: /home/bipad/public_html/application/third_party/MX/Loader.php
Line: 304
Function: _ci_load

File: /home/bipad/public_html/themes/template/views/container.php
Line: 88
Function: view

File: /home/bipad/public_html/application/third_party/MX/Loader.php
Line: 364
Function: include

File: /home/bipad/public_html/application/third_party/MX/Loader.php
Line: 304
Function: _ci_load

File: /home/bipad/public_html/modules/publication_categories/controllers/Publication_categories.php
Line: 70
Function: view

File: /home/bipad/public_html/index.php
Line: 316
Function: require_once