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Error message: SQLSTATE[42P10]: Invalid column reference: 7 ERROR: for SELECT DISTINCT, ORDER BY expressions must appear in select list LINE 1: ...distinct dataItemID from current_prices ORDER BY (buy_volume... ^
#0 /var/www/evemarkets-live/classes/database/PostgresDatabase.php(38): PDO->query('select distinct...')
#1 /var/www/evemarkets-live/classes/database/PostgresDatabase.php(71): PostgresDatabase->query('select distinct...')
#2 /var/www/evemarkets-live/classes/database/MarketDatabase.php(70): PostgresDatabase->getSingletonArrayResult('select distinct...')
#3 /var/www/evemarkets-live/classes/lists/BiggestVolumesList.php(17): MarketDatabase::getSingletonArrayResult('select distinct...')
#4 /var/www/evemarkets-live/classes/lists/DynamicMarketList.php(13): BiggestVolumesList->getMemberIDs()
#5 /var/www/evemarkets-live/classes/widgets/MarketListTable.php(15): DynamicMarketList->getMembers()
#6 /var/www/evemarkets-live/classes/widgets/MarketListWidget.php(29): MarketListTable->__construct(Object(BiggestVolumesList), true, false, 'BSMV')
#7 /var/www/evemarkets-live/list.php(77): MarketListWidget->write()
#8 {main}
