A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/kod1626ban369/public_html/application/helpers/formatdate_helper.php:133)

Filename: core/Common.php

Line Number: 570

Backtrace:

File: /home/kod1626ban369/public_html/application/modules/frontend/models/Frontend_model.php
Line: 30
Function: query

File: /home/kod1626ban369/public_html/application/modules/frontend/controllers/Frontend.php
Line: 18
Function: pengunjung

File: /home/kod1626ban369/public_html/index.php
Line: 316
Function: require_once

A Database Error Occurred

Error Number: 1055

Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'kod1626b_db2020.statistic.hits' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

SELECT * FROM statistic WHERE tanggal='2020-09-21' GROUP BY ip

Filename: modules/frontend/models/Frontend_model.php

Line Number: 30