A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/internationaljou/public_html/application/models/Ijce_archive_model.php:171)

Filename: core/Common.php

Line Number: 570

Backtrace:

An uncaught Exception was encountered

Type: mysqli_sql_exception

Message: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'internationaljou_ssrgdbnew.ijce.volumeno' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

Filename: /home/internationaljou/public_html/system/database/drivers/mysqli/mysqli_driver.php

Line Number: 305

Backtrace:

File: /home/internationaljou/public_html/application/models/Ijce_archive_model.php
Line: 88
Function: get

File: /home/internationaljou/public_html/application/models/Ijce_archive_model.php
Line: 71
Function: getarchieve_year_second

File: /home/internationaljou/public_html/application/controllers/IJCE.php
Line: 62
Function: getarchieve_year

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