A PHP Error was encountered

Severity: Warning

Message: Trying to access array offset on null

Filename: front_end/index.php

Line Number: 166

Backtrace:

File: /var/www/html/swasti-cms/application/views/front_end/index.php
Line: 166
Function: _error_handler

File: /var/www/html/swasti-cms/application/controllers/Knowledgebase.php
Line: 164
Function: view

File: /var/www/html/swasti-cms/index.php
Line: 302
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: front_end/index.php

Line Number: 166

Backtrace:

File: /var/www/html/swasti-cms/application/views/front_end/index.php
Line: 166
Function: strip_tags

File: /var/www/html/swasti-cms/application/controllers/Knowledgebase.php
Line: 164
Function: view

File: /var/www/html/swasti-cms/index.php
Line: 302
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Trying to access array offset on null

Filename: front_end/index.php

Line Number: 168

Backtrace:

File: /var/www/html/swasti-cms/application/views/front_end/index.php
Line: 168
Function: _error_handler

File: /var/www/html/swasti-cms/application/controllers/Knowledgebase.php
Line: 164
Function: view

File: /var/www/html/swasti-cms/index.php
Line: 302
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Trying to access array offset on null

Filename: controllers/Knowledgebase.php

Line Number: 158

Backtrace:

File: /var/www/html/swasti-cms/application/controllers/Knowledgebase.php
Line: 158
Function: _error_handler

File: /var/www/html/swasti-cms/index.php
Line: 302
Function: require_once