A PHP Error was encountered

Severity: Notice

Message: Undefined index: student_id

Filename: controllers/Cart.php

Line Number: 41

Backtrace:

File: /home/hayakawa/public_html/application/controllers/Cart.php
Line: 41
Function: _error_handler

File: /home/hayakawa/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/hayakawa/public_html/application/controllers/Cart.php:39)

Filename: core/Common.php

Line Number: 570

Backtrace:

File: /home/hayakawa/public_html/application/models/Cartmodel.php
Line: 13
Function: query

File: /home/hayakawa/public_html/application/controllers/Cart.php
Line: 42
Function: getselect_result

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

Database Error

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 '' at line 1

SELECT * FROM `tbl_registration_form` WHERE id=

Filename: models/Cartmodel.php

Line Number: 13