2017_include_addHeader.php 오류! / 자격증

Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'p.bcode' in 'where clause' in /volume2/web/iteach4u/htdocs/2017/pdsmarket/list.php:31 Stack trace: #0 /volume2/web/iteach4u/htdocs/2017/pdsmarket/list.php(31): PDO->prepare('select count(*)...') #1 /volume2/web/iteach4u/htdocs/2017/pdsmarket/index.php(86): include('/volume2/web/it...') #2 {main} thrown in /volume2/web/iteach4u/htdocs/2017/pdsmarket/list.php on line 31