A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Model_app.php

Line Number: 19

Backtrace:

File: /home/astonsis/public_html/application/models/Model_app.php
Line: 19
Function: _error_handler

File: /home/astonsis/public_html/application/controllers/Shop.php
Line: 12
Function: getTokenAsis

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

Database Error

A Database Error Occurred

Error Number: 1054

Unknown column 'id' in 'field list'

SELECT `id` FROM `merk` WHERE `kode_merk` = 'TLC' LIMIT 1

Filename: models/Model_app.php

Line Number: 89