Error on line 163 in file /system/libraries/Activerecord/drivers/mysql.php

Point of failure:

SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column '' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

0. VC_Routing::process
1. Pages->__construct
2. VC_Controller->__construct
3. unknown
4. Plugin_Menus->get_menu_tree
5. Plugin_Menus->get_menus
6. Plugin_Contents->get_list
7. VC_ActiverecordDriver->find
8. VC_ActiverecordDriver::find