A PHP Error was encountered

Severity: Notice

Message: Undefined variable: id

Filename: controllers/Blog_controller.php

Line Number: 740

Backtrace:

File: /home/newprojectstrack/public_html/application/controllers/Blog_controller.php
Line: 740
Function: _error_handler

File: /home/newprojectstrack/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/newprojectstrack/public_html/system/core/Exceptions.php:271)

Filename: core/Common.php

Line Number: 570

Backtrace:

File: /home/newprojectstrack/public_html/application/models/Blog_model.php
Line: 282
Function: get

File: /home/newprojectstrack/public_html/application/controllers/Blog_controller.php
Line: 740
Function: previous_model

File: /home/newprojectstrack/public_html/index.php
Line: 315
Function: require_once

A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY `id` DESC LIMIT 1' at line 4

SELECT * FROM `blog` WHERE `id` < ORDER BY `id` DESC LIMIT 1

Filename: models/Blog_model.php

Line Number: 282