로그인 시 해더 위에 뜨는 에러 채택완료

안녕하세요.

로그인을 하면

Warning: Invalid argument supplied for foreach() in /home1/tmdintl/public_html/b2b/bbs/db_table.optimize.php on line 54

Warning: Cannot modify header information - headers already sent by (output started at /home1/tmdintl/public_html/b2b/bbs/db_table.optimize.php:54) in

/home1/tmdintl/public_html/b2b/common.php on line 580

Warning: Cannot modify header information - headers already sent by (output started at /home1/tmdintl/public_html/b2b/bbs/db_table.optimize.php:54) in

/home1/tmdintl/public_html/b2b/common.php on line 582

Warning: Cannot modify header information - headers already sent by (output started at /home1/tmdintl/public_html/b2b/bbs/db_table.optimize.php:54) in

/home1/tmdintl/public_html/b2b/common.php on line 583

Warning: Cannot modify header information - headers already sent by (output started at /home1/tmdintl/public_html/b2b/bbs/db_table.optimize.php:54) in

/home1/tmdintl/public_html/b2b/common.php on line 584

Warning: Cannot modify header information - headers already sent by (output started at /home1/tmdintl/public_html/b2b/bbs/db_table.optimize.php:54) in

/home1/tmdintl/public_html/b2b/common.php on line 585

Warning: Cannot modify header information - headers already sent by (output started at /home1/tmdintl/public_html/b2b/bbs/db_table.optimize.php:54) in

/home1/tmdintl/public_html/b2b/common.php on line 586​

해더 위로 이런 에러가 뜨고 새로고침하면 에러가 없어집니다.

하루 지나 로그인을 하면 또 에러가 뜹니다.