A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: core/MY_Model.php

Line Number: 136

Backtrace:

File: /home/alib6196/public_html/ci_shop/application/core/MY_Model.php
Line: 136
Function: _error_handler

File: /home/alib6196/public_html/ci_shop/application/core/MY_Model.php
Line: 126
Function: calculateRealOffset

File: /home/alib6196/public_html/ci_shop/application/controllers/Shop.php
Line: 22
Function: paginate

File: /home/alib6196/public_html/ci_shop/index.php
Line: 321
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/alib6196/public_html/ci_shop/system/core/Exceptions.php:271)

Filename: core/Common.php

Line Number: 570

Backtrace:

File: /home/alib6196/public_html/ci_shop/application/core/MY_Model.php
Line: 95
Function: get

File: /home/alib6196/public_html/ci_shop/application/controllers/Shop.php
Line: 23
Function: get

File: /home/alib6196/public_html/ci_shop/index.php
Line: 321
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 MariaDB server version for the right syntax to use near '-2, 2' at line 6

SELECT `product`.`id`, `product`.`title` AS `product_title`, `product`.`description`, `product`.`image`, `product`.`price`, `product`.`is_available`, `category`.`title` AS `category_title`, `category`.`slug` AS `category_slug` FROM `product` LEFT JOIN `category` ON `product`.`id_category` = `category`.`id` WHERE `product`.`is_available` = 1 ORDER BY `product`.`price` DESC LIMIT -2, 2

Filename: core/MY_Model.php

Line Number: 95