select bn_id, bn_url, bn_subject, bn_co_name, bn_seq, bn_subject, bn_target, bn_file_name, bn_file_type, bn_width, bn_height from g4_topschool_banner where bn_openchk = '1' and bn_type ='좌측상단' and (bn_start_date<='2024-06-05 10:42:25' and bn_end_date>='') order by bn_seq desc limit 0, 20

2006 : MySQL server has gone away

error file : /bbs/login.php