Fatal error: Uncaught PDOException: SQLSTATE[21000]: Cardinality violation: 1242 Subquery returns more than 1 row in /home/rotaaxismta/public_html/dev/php/class/database.class.php:21 Stack trace: #0 /home/rotaaxismta/public_html/dev/php/class/database.class.php(21): PDOStatement->execute() #1 /home/rotaaxismta/public_html/index.php(18): database->select('SELECT url FROM...', true) #2 {main} thrown in /home/rotaaxismta/public_html/dev/php/class/database.class.php on line 21