Fatal error: Maximum execution time of 30 seconds exceeded in D:\www\landseed\_cc\myDataHelper.php on line 201

Fatal error: Uncaught exception 'Exception' with message 'Call send_nonquery fail.Because 操作執行失敗 執行的SQL:UPDATE member_session SET member_session_data='' WHERE member_session_id='hl1905b5do8fe9mudpnqaiab32' 1:HY000 2:2014 3: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.' in D:\www\landseed\_cc\myDataHelper.php:156 Stack trace: #0 D:\www\landseed\_cc\myDataHelper.php(434): myDataHelper::send_nonquery('UPDATE member_s...', 'conn1') #1 D:\www\landseed\_cc\mySession.php(85): myDataHelper::v1_updatedr('member_session', Array, 'WHERE member_se...', 'conn1') #2 [internal function]: mySession->write('hl1905b5do8fe9m...', '') #3 {main} thrown in D:\www\landseed\_cc\myDataHelper.php on line 156