Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[21000]: Cardinality violation: 1241 Operand should contain 1 column(s)' in /var/www/html/www.edw.com.cn/library/Zend/Db/Statement/Pdo.php:228
Stack trace:
#0 /var/www/html/www.edw.com.cn/library/Zend/Db/Statement/Pdo.php(228): PDOStatement->execute(Array)
#1 /var/www/html/www.edw.com.cn/library/Zend/Db/Statement.php(300): Zend_Db_Statement_Pdo->_execute(Array)
#2 /var/www/html/www.edw.com.cn/library/Zend/Db/Adapter/Abstract.php(468): Zend_Db_Statement->execute(Array)
#3 /var/www/html/www.edw.com.cn/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query(Object(Zend_Db_Table_Select), Array)
#4 /var/www/html/www.edw.com.cn/library/Zend/Db/Table/Abstract.php(1505): Zend_Db_Adapter_Pdo_Abstract->query(Object(Zend_Db_Table_Select))
#5 /var/www/html/www.edw.com.cn/library/Zend/Db/Table/Abstract.php(1367): Zend_Db_Table_Abstract->_fetch(Object(Zend_Db_Table_Select))
#6 /var/www/html/www.edw.com.cn/www/rootapp/controllerswww/TechControlle in /var/www/html/www.edw.com.cn/library/Zend/Db/Statement/Pdo.php on line 234