A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 1

Filename: controllers/product.php

Line Number: 88

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home6/elencoco/public_html/system/libraries/Exceptions.php:166)

Filename: codeigniter/Common.php

Line Number: 356

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 sub_category inner join category on category.category_id = sub_category.cat_id where sub_category.sub_cat_id=