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ERROR: SQLSTATE[HY000]: General error: 2014 Cannot execute queries while other unbuffered queries are active.
Consider using PDOStatement::fetchAll(). Alternatively, if your code is only ever going to run against mysql,
you may enable query buffering by setting the PDO::MYSQL_ATTR_USE_BUFFERED_QUERY attribute. <p>
The sql is: SELECT * FROM `zt_task` wHeRe `id` = '1279'</p> in /var/www/html/zentao/lib/base/dao/dao.class.php on line 1381,
last called by /var/www/html/zentao/lib/base/dao/dao.class.php on line 699 through function sqlError.
in /var/www/html/zentao/framework/base/router.class.php on line 2235 when visiting cron-ajaxExec-0