Fatal error: Uncaught ActiveRecord\DatabaseException: 21000, 7, ERROR: more than one row returned by a subquery used as an expression in /home/web6/sparks/php-activerecord/0.0.2/vendor/php-activerecord/lib/Connection.php:319 Stack trace: #0 /home/web6/sparks/php-activerecord/0.0.2/vendor/php-activerecord/lib/PsgModel.php(252): ActiveRecord\Connection->query('select \n ...', Array) #1 /home/web6/application/controllers/reports/trd_buy_report.php(534): ActiveRecord\AbstractModel::get_page_list_by_sql(1, 50, 'select \n ...', Array) #2 /home/web6/system/core/CodeIgniter.php(393): trd_buy_report->index() #3 /home/web6/www/index.php(273): require_once('/home/web6/syst...') #4 {main} thrown in /home/web6/sparks/php-activerecord/0.0.2/vendor/php-activerecord/lib/Connection.php on line 319