A PHP Error was encountered

Severity: 8192

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

Filename: controllers/Tiendas.php

Line Number: 101

Backtrace:

File: /home/renanr/public_html/myecommerce.romeroruiz.com/application/controllers/Tiendas.php
Line: 101
Function: mb_strtolower

File: /home/renanr/public_html/myecommerce.romeroruiz.com/index.php
Line: 319
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/renanr/public_html/myecommerce.romeroruiz.com/system/core/Exceptions.php:272)

Filename: core/Common.php

Line Number: 565

Backtrace:

File: /home/renanr/public_html/myecommerce.romeroruiz.com/application/models/Tiendas_model.php
Line: 172
Function: get

File: /home/renanr/public_html/myecommerce.romeroruiz.com/application/controllers/Tiendas.php
Line: 106
Function: get_categories_by_shop

File: /home/renanr/public_html/myecommerce.romeroruiz.com/index.php
Line: 319
Function: require_once

Ocurrió un error en la base de datos

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 ')' at line 3

SELECT GROUP_CONCAT(p2.producto) as ids FROM `precios2` `p2` WHERE `establecimiento` IN()

Filename: models/Tiendas_model.php

Line Number: 172